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10-08-2020
Mathematics

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Let f(x) = 3x + 5. Solve f−1(x) when x = 3

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bekkarmahdi702 bekkarmahdi702

10-08-2020

Answer:

Step-by-step explanation:

The function f(x) is 3x+5

● (f-1)(x) = 3x+5 -1

● (f-1)(x) = 3x+4

Replace x with 3

● (f-1)(x) = 3×3+4 = 13

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