Question

Suppose that the functions q and r are defined as follows. q(x) = -x+2 r(x)=x²+1 Find the following.(q*r)(-1)=(r*q)(-1)=

Answer 1

`\begin{gathered} q(x)=-x+2 \\ r(x)=x^2+1 \end{gathered}`

firs we need to find (q°r)(x)

so we replace r(x) on q(x) in the position of x