Question

If f(x)=2​x+1, then f(3)= ?

(2 to the power of x)
(not 2 times x)

Please show work :)
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Answer 1

9

Explanation:

Input 3 for x

f(x)=2^3+1

f(3)=2^3+1

f(3)=8+1

f(3)=9