Question

W (x) = x2 + 3x + 8w (4) =?

Answer 1

w (x) = x2 + 3x + 8

w (4) =?

we know that

W(4) is the value of the function w(x) when the value of x is equal to 4

so

substitute

For x=4

`\begin{gathered} w(4)=(4^2)+3(4)+8 \\ w(4)=16+12+8 \\ w(4)=36 \end{gathered}`

therefore

w(4)=36