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r-ruslan [8.4K]
3 years ago
15

F(x) = x2 - 5

Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Given that f(x) has domain { 2, 4, 7 }

Substitute the values from the domain into f(x) for the range

f(2) = 2² - 5 = 4 - 5 = - 1

f(4) = 4² - 5 = 16 - 5 = 11

f(7) = 7² - 5 = 49 - 5 = 44

Thus the range is { - 1, 11, 44 } → D

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dexar [7]

Answer:

ans-a 25x - 10

Step-by-step explanation:

7x+9x+9x = 25x

-3-3-4 = -10

so, 25x-10.

stay safe, stay healthy and blessed.

thank u

6 0
3 years ago
Read 2 more answers
(6t - 4.5) * (4.5t + 8)<br> Can someone help?
nasty-shy [4]

Answer:

Step-by-step explanation: Ok so the t(s) = 1 Ok?.... 4.5+8 = 12.5 you will need to keep that in mind ok?.... 6 - 4.5 = 1.5.

...So 12.5 x 1.5 = 18.75

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6 0
3 years ago
Jill is dividing 23 by 9. If she continues the process, what will keep repeating in the quotient?
Westkost [7]

Answer:

23 divide by 9 =2.55555555556

Step-by-step explanation:

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2 years ago
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I need help and explain please
Otrada [13]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
An object moves in simple harmonic motion with period 8 seconds and amplitude 6 cm. At time t = 0 seconds, its displacement d fr
Vladimir79 [104]

In the equation model, the simple harmonic motion is d=6sin(πt/4)-6 if the object moves in simple harmonic motion with a period of 8 seconds and amplitude of 6 cm.

<h3>What is simple harmonic motion?</h3>

Simple Harmonic Motion is described as a motion in which the restoring force is proportionate to the body's displacement from its mean position.

We have:

Amplitude A = 6 cm

Time period = 8 seconds

T = 2π/w

8 = 2π/w

w = π/4

Its displacement d from rest is -6 cm, and initially, it moves in a positive direction.

d(0) = -6 cm at t = 0

The equation becomes:

\rm d = 6sin(\dfrac{\pi}{4}t)-6

Thus, in the equation model, the simple harmonic motion is d=6sin(πt/4)-6 if the object moves in simple harmonic motion with a period of 8 seconds and amplitude of 6 cm.

Learn more about the simple harmonic motion here:

brainly.com/question/17315536

#SPJ1

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3 years ago
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