Question 771040
A) {{{fg(x)}}}
={{{f(g(x))}}}
={{{f(6x^2-2x+2)}}}
={{{2(6x^2-2x+2)}}}
={{{12x^2-4x+4)}}}
B) {{{fg(4)}}}
={{{12(4^2)-4(4)+4)}}}
={{{12(16)-4(4)+4)}}}
={{{192-16+4}}}
={{{180}}}
C) {{{gf(x)}}}
={{{g(f(x))}}}
={{{g(2x)}}}
={{{6(2x)^2-2(2x)+2}}}
={{{6(4x^2)-4x+2}}}
={{{24x^2-4x+2}}}
D) {{{gf(4)}}}
={{{24(4^2)-4(4)+2}}}
={{{24(16)-4(4)+2}}}
={{{384-16+2}}}
={{{370}}}