Question

If / (x) = 2(x)2 +5/(x+2), complete the following statement:
f2) = _

Answer 1

18

Explanation:

f(x) = 2(x)^2 +5 sqrt(x+2)

Let x =2

f(2) =2(2)^2 +5 sqrt(2+2)

= 2 *4 + 5 (sqrt(4))

= 8 + 5*2

= 8 + 10

= 18