Question

Dada a função f:IR, definida por y = -4x +11. calcule f(0), f(-2), f(3), f(5)

Answer 1

y = - 4x + 11

f(0) = - 4.0 + 11
f(0) = 0 + 11
f(0) = 11

f(-2) = - 4.(-2) + 11 = 8 + 11 = 19

f(3) = - 4.3 + 11 = - 12 + 11 = - 1

f(5) = - 4.5 + 11 = - 20 + 11 = - 9