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maks197457 [2]
3 years ago
8

A student is running a 10-kilometer race. He runs 1 kilometer every 4 minutes. Select the function that describes his distance f

rom the finish line after x minutes.
f(x) = 1 over 4x + 4
f(x) = − 1 over 10x + 4
f(x) = 1 over 10x + 10
f(x) = − 1 over 4x + 10
Mathematics
2 answers:
sergejj [24]3 years ago
7 0
The answer is f(x)= - 1/4*x +10
bogdanovich [222]3 years ago
7 0

Answer:

f(x)= -\frac{1}{4} x+10

Step-by-step explanation:dd

A student is running a 10-kilometer race. He runs 1 kilometer every 4 minutes.

LEt x be the number of minutes and f(x) be the distance traveled

Initial distance is 10 kilometer

Constant speed is \frac{1}{4}

Distance covered on running is \frac{1}{4}x

To find distance from finish line , we subtract the distance covered from initial kilometers

f(x)= -\frac{1}{4} x+10

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