Question

If f(x)=2x^2 +3x what is f(9)

Answer 1

189

Explanation:

f(x) = 2x^2 + 3x , f(9)

f(9) = 2(9)^2 + 3(9)

= 2(81) + 27

= 162 + 27

= 189

Answer 2

f(9) = 189

Explanation:

Plug 9 into x

f(9) = 2(9)^2 + 3(9)

f(9) = 2(81) + 27

f(9) = 162 + 27

Thus, f(9) = 189