Question

se f (x)=5x+1 e h(x)=1+4x calcule f (h(2)) + h (f(2))

Answer 1

f (h(2)) = 5* (1+4x)

f (h(2)) = 20x + 5

h (f(2)) = 1 + 4 * (5x+1)

h (f(2)) = 1 + 20x +5

h (f(2)) = 20x + 6

f (h(2)) + h (f(2)) = 20x + 5 +20x + 6

f (h(2)) + h (f(2)) = 40x +11