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If f(x)=4/3x-9 what is f^-1(-3)
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If f(x)=4/3x-9 what is f^-1(-3)

User RaphArbuz
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1 Answer

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9514 1404 393

Answer:

4.5

Explanation:

The value of x that makes f(x) = -3 is ...

4/3x -9 = -3

4/3x = 6 . . . . . . add 9

x = 6(3/4) = 18/4 = 9/2 = 4.5 . . . . multiply by 3/4

f^-1(-3) = 4.5

User Rotemitz
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