Question

construa a função f:R (numeros reais)
f(x)=-2x-1

Answer 1

Bom dia Saaramilena

f(x) = -2x - 1

f(1) = -2 - 1 = -3
f(2) = -4 - 1 = -5
f(3) = -6 - 1 = -7

f(0) = -1

f(-1) = 2 - 1 = 1
f(-2) = 4 - 1 = 3
f(-3) = 6 - 1 = 5