Question

Question 131 f(x) = x2 and g(x) = 2x + 3, what is f(g(x))?x2 + 2.0 + 3AB20c2 +3С4.2 +9D4.2 + 12x + 9

Answer 1

We need to know what is the composition function

`\begin{gathered} f(g(x))=(g(x))^2=(2x+3)^2 \\ =4x^2+12x+9 \end{gathered}`