Given the function f(x) = 4(x+3) − 5, solve for the inverse function when x = 3.

label Algebra
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Jun 10th, 2015

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y=4x+7

x=4y+7

y=(x-7)/4=f^-1(x)

thus when x=3, the inverse function has the value -1

so the answer is D

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 10th, 2015

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