Question

u(x)=−5x+5
w(x)=5x-3
Find the value of u(w(5))

Answer 1

u(w(x))=-5(5x-3)+5

u(w(x))=-25x+15+5

u(w(x))=-25x+20 so

u(w(5))=-25(5)+20

u(w(5))=-125+20

u(w(5))=-105