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2 years ago

7

Find f(-3). f(x) = 4x + 7

1 answer:

solong [7]2 years ago

3 0

Answer:

f(x) = 4x + 7

f(x) = 4(-3) + 7

f(x) = -12 + 7

f(x) = 5

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The average time that it takes for the car to travel the first 0.25m is 2.23s.
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Given the time taken to travel the second 0.25 m section, the velocity would be 0.28m/s.

<u>(a) The average time to travel the first 0.25m</u>

The time travel in the first 0.25m are: 2.24s, 2.21s and 2.23s.

So, the average time to travel is:

$Time = \frac{2.24s + 2.21s + 2.23s}{3}$

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So, the average time to travel this distance is:

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$Distance = 0.25m$

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So, the velocity is:

$Velocity = \frac{Distance}{Time}$

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Read more about distance, velocity and time at:

brainly.com/question/4931057

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