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GREYUIT [131]
3 years ago
8

A function h(x) is defined as h(x)=−5/7 x−3. By how much h(x) will decrease/increase, if x decreases by 21?

Mathematics
1 answer:
Rudik [331]3 years ago
4 0

Answer:

h(x) increases by 15 units.

Step-by-step explanation:

Given that

h(x)=\frac{-5x}{7}-3\\ \\

This is nothing but a straight line with slope equal = -5/7

Hence rate of change of y with respect to x =-5/7

Or for a unit increase in we have 5/7 decrease in h(x)

Using the above we find that when x decreases by 21

we have h(x) to increase by 21(5/7)

=15

So y increases by 15 units

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