MATHEMATICS HIGH SCHOOL

Given f(x) = x - 10. What is f(-7) ?

Answers

Answer 1
Answer:

f(x) = x-10

f(-7) = -7 -10

f(-7)= -17


I understand now !
Answer 2
Answer: f(x)= x - 10

f(-7) = - 7 - 10

f(-7) = - 17

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You have a function that takes in an X value and produces a Y value. The y value equals 24 times the x value, plus 4 more. What's the y value when the x value equals 4?

$39 pizza order 15%tip

Answers

Answer=44.85$
If your asking how much the total would be...

39$*1.15=44.85$

Find the value of a−b/c−b if a=32, b=8, c=30. Write your answer as a simplified mixed number.

Answers

32−0.27−8=23.73 ..........

Solve (if you can (ha ha ha)).

x^7-128=0

Answers

Step 1: Add 128 to both sides.
x^7−128+128=0+128
x^7=128
Step 2: Take root.x=(128)^(1/7)
x=2
Answer:
x=2
x^7 -128= 0
⇒ x^7 -2^7= 0 (because 2^7= 128)
⇒ x^7= 2^7
⇒ x= 2

The final answer is x=2~

Question 1 (1 point)A cheetah can run at its top speed for about 25 seconds. Complete the table to represent a
cheetah running at a constant speed. In the next question, explain or show your reasoning.
time (seconds) distance (meters) speed (meters per second)
4
120
25
270

Answers

Answer:

ok this was a good one so here

Step-by-step explanation:

time (seconds)

distance (meters)

speed (meters per second)

4 120 30

25 750 30

9 270 30
Honey you’re smart you can figure this out you’re gonna do great things make,

Create a list of steps, in order, that will solve the following equation.
1/4(x+5)^2-1=3

Answers

Answer:

list of steps:

  • Add 1 on both sides
  • Multiply both sides by 4
  • Take the square root of both sides
  • Subtract 5 from both sides,

Step-by-step explanation:

In order, that will solve the following equation.

\sf (1)/(4)(x+5)^2-1=3

Add 1 on both sides

\sf (1)/(4)(x+5)^2-1+1=3+1

\sf (1)/(4)(x+5)^2=4

Multiply both sides by 4.

\sf \sf (1)/(4)(x+5)^2* 4=4* 4

\sf (x+5)^2 = 16

Take the square root of both sides

\sf √((x+5)^2 )= √(16)

\sf (x+5) = 4

Subtract 5 from both sides,

\sf x+5-5 = 4 - 5

\sf x =-1

Now,

Creating a list of steps:

  • Add 1 on both sides
  • Multiply both sides by 4
  • Take the square root of both sides
  • Subtract 5 from both sides,

1.) What is the equation given a slope of ½ and a y-intercept of 4?2.) What is the slope of an equation y=2x-5

3.) What is the y-intercept of an equation y=7x+8?​

Answers

1) y=1/2x+4
2) slope is 2
3) 8
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