Talib is trying to find the inverse of the function to the right. His work appears beneath it. Is his work correct? Explain your
2 answers:
His work is not correct. You first must switch x and y and then solve for y.
according to GdGenuity
No, they forgot to switch variable labels after solving for the independent variable...
y=-8x+4
y-4=-8x
(y-4)/-8=x
Now that you have solved for the independent variable x, you switch the variable labels...
y=(x-4)/-8
f^-1(x)=(x-4)/-8 which should really be rewritten as:
f^-1(x)=(4-x)/8 :P
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