Question

dada a função f(x)=2x, g(x)=2x-4 h(x)=x+3

com cálculo pfvr

Answer 1

a)f(g(2))
   f(2(2) - 4)
  f(4 - 4)
   f(0)
f(0) = 2(0)
f(0) = 0

b)g(h(3))
    g( 3 + 3)
  g(6)
g(6) = 2(6) - 4
g(6) = 12 - 4
g(6) = 8

c)h(f(4))
h(2(4))
h(8)
h(8) = 8 + 3
h(8) = 11