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If f(a) = 2^(a+1), how can you write f(2a)?

 

(1) 2f(a)

(2) f(a) /2

(3) 2* {f(a)}^2

(4) {f(a)}^2

(5) {f(a)}^2 /2

 

Which is it?

 Jun 10, 2022

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