Mathematics High School

What is the value of the function y=3x – 1 when x = -1​

Answers

Answer 1

Answer:

y= -4

Step-by-step explanation:

y=3x-1

y=3(-1)-1

y=-3-1

y= -4

Related Questions

Dennis playing a word game. The scores for her first nine words are :

14,23,9,15,17,22,24,17,21

Which best describes her score?

A. The minimum is 9, the maximum is 24, and the range is 9.

B. The minimum is 14, the maximum is 21, and the range is 7.

C. The minimum is 14, the maximum is 21, and the range is 9.

D. The minimum is nine, the maximum is 24, and the range is 15.

Answers

the answer to this question is A.

SAME SCENARIO - DIFFERENT QUESTION
A $250 gaming system is discounted by 25%. It was then discounted another 10%
because the box was opened by a customer. What is the total percent discount after
both discounts are taken
32.5%
35%
62.5%
30%

Answers

Answer:

25$

Step-by-step explanation:

Need the steps and answer!

Answers

Answer:

(4,0)

Step-by-step explanation:

add the 2 equations together

6x = 24

x=4

put x into the first equation

16+3y=16

y=0

Plssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Help!!!

VIEW ATTACHED PHOTO!! Is the pictured graph growth, decay, or linear or none?

a.) Growth
b.) Decay
c.) Linear
d.) None

Answers

A) growth because population goes up with time
A.) Growth
The graph is going up, or growing.

4. 13x + 5y = -11
13x + 11y = 7
Solution:

Answers

Answer:

y=2/3

Step-by-step explanation:

Answer:

(-2,3) x= -2 y=3

Step-by-step explanation:

The first thing you should do is convert both into standard y=mx+b form

For the first equation you subtract 5y and add 11 to both sides to get

13x+11= -5y

you divide by negative 5 to get

-13x/5-11/5=y

For the second equation we subtract 11y and 7 from both sides to get

13x-7= -11y

divide both sides by -11 to get

-13x/11 + 7/11

We then set both equations equal to each other and solve for x

-13x/5-11/5= -13x/11 + 7/11

Add 11/5 to both sides to get

-13x/5 = -13x/11 + 156/55

Add 13x/11 to both sides to get

-78/55x=156/55

Divide and solve for x to get -2

Then plug x = -2 into the original equations to find y

13*-2 + 5y = -11

-26 + 5y = -11

Add 26 to both sides

5y= 15

y =3

Is there an y-intercept? I will mark brainliest

Answers

No it doesn’t cross the y intercept

Find the x- and y-intercepts of the function. please explain help asap please
I meed help this is my second time posting this question ​

Answers

x intercept: -2
y intercept: 2

6. Determine the line of reflection of the following.

Answers

Answer:

Step-by-step explanation:

Answer:

the correct answer is ×=-3

Look at the two circles below. They share a center point. The larger circlehas a radius of 10 inches. The distance between the smaller circle and the larger circle is 2 inches. Which best represents the shaded area between the two circles?

A138 square inches
138 square inches

B36 square inches
36 square inches

C515 square inches
515 square inches

D314 square inches
314 square inches

Answers

B is the answer to the question

Jason is watering his garden. He uses 2.75 gallons of water each minute. How much
water does Jason use after watering his garden for 3 minutes?

Answers

Answer:

8.25 Gallons

Step-by-step explanation:

2.75 gallons * 3 minutes = 8.25 gallons

Please help - help :(

Answers

Answer:

it's scaled down, so the answer is 1/2

Step-by-step explanation:

the scaled triangle is half the size of the original

Melanie earns average tips of 18% while waiting tables. If her sales one night were $730.84, what did she make in tips?

Answers

Answer:

131.5512....I think

Step-by-step explanation:

730.84×0.18

HEEEEEEEEEEEEEEEEEEEEEEELP 20 POINTS

Answers

What does the answer have to be??

Which expression is equivalent to 4/9(2n – 3)?

Answers

Answer:

8/9n - 1 1/3

Step-by-step explanation:

PLEASE HELP ME OUT !!
create a table for y=-3x + 1

Answers

X. Y
0. 1
1. -2
2. -5
3. -8


The sum of two numbers is 36. The difference of the numbers is 14. What are the numbers? Write your answer as an ordered pair with no
spaces and in this order (smaller number, larger number)

Answers

Answer:

(11,25)

Step-by-step explanation:

36-14 = 22

22/2= 11

11+14 = 25

Answer:

11 and 25

Step-by-step explanation:

The two numbers we'll call x and y.  Let's set up equations to model the situation:

x+y=38

x-y=14

Solving the second one for x,

x=y+14

Plug this into the first equation for x and get:

(y+14)+y=36

2y+14=36

2y=36-14

2y=22

y=11

x-y=14

x-11=14

x=14+11

x=25

PLEASE IT'S DUE SOON! I'll GIVE YOU THE BRAINLYEST Factor The Polynomial 25x^2(x+2)-9(x+2)?

Answers

Answer:

(x + 2) (5x + 3)(5x - 3)

Step-by-step explanation:

[tex]25x^2(x+2)-9(x+2) \\ \\ = (x + 2)(25 {x}^{2} - 9) \\ \\ = (x + 2) \{ ({5x})^{2} - {(3)}^{2} \} \\ \\ = (x + 2) \{(5x + 3)(5x - 3) \}\\ \\ = \purple{ \bold{(x + 2) (5x + 3)(5x - 3) }} \\ are \: the \: required \: factors[/tex]

need help with this.

Answers

Answer:

k = - 12

Step-by-step explanation:

(5)³ - 7(5) + k = 78

125 - 35 + k = 78

k = - 12

the answer would be
k=-12

Let g(x)= - 3x and h(x) = x^2 – 5. Find (g o h)(0).

Answers

Answer:

15

Step-by-step explanation:

(g o h)(0) = g of h of 0 = g (h(0))

1. Find h(0)

h(0) = 0^2 - 5 which equals -5

2. Find g(-5)

g(-5) = -3 • -5 which equals 15

Answer: 15

What situation is modeled by the equation 24=15x+8?

options in picture*

Answers

The nick rides answer. Hope this helps

When a principal amount, P, is invested at an annual interest rate,r, and compounded n times per
year, the amount accumulated in the account after t years can be found with the equation:
A = P(1+ :)"
Javier invested $2,350 in a savings account for 5 years with a rate of 1.75% compounded every six
months. In this situation, what is n?

Answers

Answer:

2

Step-by-step explanation:

A = P( 1+r/n) ^ (nt)

P is the amount invested

r is the rate

n is the number of times per year the interest is compounded

t is the number of years

every 6 months is twice a year

so n is 2

Answer:

Step-by-step explanation:

10+50+60=500

8x + 38 = -3(-6 - 4x)does this have no solutions, infinite solutions, unique solutions (please show work)

Answers

Answer: x=5

Step-by-step explanation:

8x+38=18+12x

38-18=12x-8x

20=4x

20/4=x

5=x

can someone help me please

Answers

9514 1404 393

Answer:

  (a)  25°

Step-by-step explanation:

The angle marked 93° is the average of the arcs intercepted by the secant lines.

  (161° +AD)/2 = 93°

  161° +AD = 186° . . . . . multiply by 2

  AD = 25° . . . . . . . . . . .subtract 161°

help plz solve these equations by completing the square

x square + 12x =1

Answers

Answer:

x = - 6 ± [tex]\sqrt{37}[/tex]

Step-by-step explanation:

Given

x² + 12x = 1

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(6)x + 36 = 1 + 36

(x + 6)² = 37 ( take the square root of both sides )

x + 6 = ± [tex]\sqrt{37}[/tex] ( subtract 6 from both sides )

x = - 6 ± [tex]\sqrt{37}[/tex] ← exact solutions

solve for x write your answer as a proper fraction or as a whole or mixed number

2/5(5x-3)+3/5=4x-1/5​

Answers

Answer:

x=-1/5

Step-by-step explanation:

[tex]\frac{2}{5} (5x-3)+\frac{3}{5} =4x-\frac{1}{5}[/tex]

Multiply both sides by 5:

2(5x-3)+3=20x-1

Distribute:

10x-6+3=20x-1

Simplify Like-Terms:

10x-3=20x-1

Add 3 to both sides:

10x=20x+2

Subtract 10x from both sides:

0=10x+2

Subtract 2 from both sides:

10x=-2

Divide by 10:

x=-2/10

or

x=-1/5

Calculate the slope between the points 4, 9 and 5, 1

Answers

Answer:

-8

Step-by-step explanation:

Answer:

9,4 and 1,5

Step-by-step explanation:

there

HELP PLS!!!
What is the correct graph of the equation, y = -2x - 6

Answers

The answer is D
This is because the -6 represents the y-intercept and D is the only one where it passes through -6

Answer:

-6

x+y= 16

y=-x-6

and so the y- is -6


if given points A at (1,4) and B at (6,10) determine AB

Answers

Answer:

would be A.

Step-by-step explanation:

A.

Round the number 42.763 to 1 decimal place.

What’s the answer

Answers

Answer:

42.763 to the nearest tenth is 42.8

The nearest 1 decimal place for 42.763 is 45.000. I rounded .763 to 1. Then I added 42 and 1 together and got 43. Lastly i turned 43 into 45 because that closer to 43 then 40.

What is the inverse of f(x) = 1x+2?

Answers

For this specific equation the answer is x - 2
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