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Maths-

General

Easy

Question

The function f is defined by f(x) = $f left parenthesis x right parenthesis equals 3 to the power of x$ What is the value of f(2) ?

5
6
8
9

The correct answer is: 9

Given $f left parenthesis x right parenthesis equals 3 to the power of x text at end text x equals 2 semicolon f left parenthesis 2 right parenthesis equals 3 squared equals 9$
∴ f(2) = 9

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