Compare your response to the sample response above. what did your explanation include? the conclusion that the work was incorrect an explanation that talib did not switch the variables at the start an explanation that talib did not solve for the variable y

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Martebi Martebi · Answer 1 · 2022-06-22T20:09:36+02:00

In the case above, Talib work is not correct as one need to first switch x and y before one can solve for y.

Note that:

y=-8x+4

y-4=-8x

(y-4)/-8=x

Since the independent variable x is known, one can switch the variable labels and thus it will be:

y=(x-4)/-8

f^-1(x)=(x-4)/-8

This can be written again as:

f^-1(x)=(4-x)/8 :P

Thus one can say No, as he forgot to switch the variable labels after solving for the independent variable.

In the case above, Talib work is not correct as one need to first switch x and y before one can solve for y.

See the first part of the question below

Talib is trying to find the inverse of the function to the right. His work appears beneath it. Is his work correct? Explain your answer.

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