Question

Find f(a+2) when f(x)=x^2+3
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Answer 1

Explanation:

Find f(a+2) when f(x)=x^2+3

(a+2)^2 + 3 => (a+2)(a+2) + 3

a^2 +2a + 2a + 4 + 3

a^2 + 4a + 7