Question

dada a função f:R-R/f(x)=5x+2,calcule:
a) f(2)
b) f(3)
c) f(-4)

Answer 1

a) f(2) = 5.2 + 2 = 10 + 2 = 12

b) f(3) = 5.3 + 2 = 15 + 2 = 17

c) f(-4) = 5.(-4) + 2 = -20 + 2 = -18