Question

Se f(x) = 5x +1 e h(x) = 1 + 4x, calcule f(h(2)) + h(f(2)).

Answer 1

h(2)= 1 +4.2 = 1+8 =9

f(9)= 5.9 +1 = 45 +1 = 46

f(2)= 5.2+1 = 10+1 = 11

h(11) = 1 + 4.11 = 1 + 44 = 45

46 + 45 = 40 + 40 + 6 +5 = 80 + 11 = 91

=91