Answer :
Recall that:
[tex]f(g(x))[/tex]is evaluating the function f(x) at the values given by g(x).
In this case, first, we evaluate g(x) at x=3:
[tex]g(3)=-3(3)+2=-9+2=-7.[/tex]Now, we evaluate f(x) at x=-7:
[tex]f(-7)=2(-7)^2-1=2(49)-1=97.[/tex]