The equations of two functions are y = -21x + 9 and y = -24x + 8. Which function is changing more quickly? How do you know?

avissidep

avissidep

Answered question

2021-09-04

The equations of two functions are y=21x+9 and y=24x+8. Which function is changing more quickly? How do you know?

Answer & Explanation

okomgcae

okomgcae

Skilled2021-09-05Added 93 answers

y=21x+9
So, dydx=21
y=24x+8
So, dydx=24
Since, 21>24
So, the function, y=21x+9 is changing more rapidly than the function y=24x+8.

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