Question

F(a) = a - 2g(a) = -3a² - 1Find (fºg)(a)

Answer 1

Given,

`\begin{gathered} f(a)=a-2 \\ g(a)=-3a^2-1 \end{gathered}`

Then,

`(f\circ g)(a)=f(g(a))`
`\begin{gathered} (f\circ g)(a)=f(-3a^2-1) \\ (f\circ g)(a)=(-3a^2-1)-2=-3a^2-3 \end{gathered}`