Suppose W changes at a constant rate of 7 with respect to Z. For bf, enter the n

Question

Suppose W changes at a constant rate of 7 with respect to Z.

For bf, enter the numeric value of the answer, or enter N if there's not enough information to determine a value.

b.What is the value of W when the value of Z is 9?

c.What is the change in the value of W when the change in the value of Z is 6?

d.What is the change in the value of W when the change in the value of Z is 6.6?

e. What is the value of Z when the value of W is 0 ?

f.What is the change in the value of Z when the value of W changes by 25 ?

Explanation / Answer

W changes at a constant rate of 7 with respect to Z.

a)W=7Z

b.What is the value of W when the value of Z is 9?

W=7*-9=-63

c.What is the change in the value of W when the change in the value of Z is 6

change in W=7*change in Z=7*6=42

d.What is the change in the value of W when the change in the value of Z is 6.6?

change in W=7*change in Z=7*-6.6=-46.2

e. What is the value of Z when the value of W is 0 ?

W=7*Z, 0=7*z

Therefore, Z=0

f.What is the change in the value of Z when the value of W changes by 25 ?

change in W=7*change in Z

25=7*Change in Z

Change in Z=25/7=3.5714

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