Question

Seja funcao: f: R -> R dada lor y = x calcule

a) f(1)
b) f(-1)
c) f(-3)
d) f(3)

Answer 1

*) f(x) = x

a) f(1) = 1

b) f(-1) = -1

c) f(-3) = -3

d) f(3) = 3