Cristal M.
asked • 04/22/21ive tried starting this but i got lost its precalculus
Find the inverse function of f(x)=11+3^√x
f^-1(x)=
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3 Answers By Expert Tutors
Yefim S. answered • 04/22/21
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y = 11 + 3√x; domain is x ≥ 0; and range is y ≥ 12
Now we interchange x and y: x = 11 + 3√y; 3√y = x - 11; √y = log3(x - 11); y = log32(x - 11), x ≥ 12
f-1(x) = log32(x - 11), x ≥ 12
f-1 = [ log3 (x -11) ]2
Doug C. answered • 04/22/21
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