Question

dada a função f(x) = 2x-3 determine

a) f(1) = _______
b) f(-1) = _______
c) f(0) = _______
d) f(1/2) = _______​

Answer 1

Resposta:

a) f(1) = -1

b) f(-1) = -5

c) f(0) = -3

d) f(1/2) = -2

Explicação:

2.1 -3 = y

2- 3 = y

y = -1

2.(-1) - 3 = y

-2-3 = y

y = -5

2.0 -3 = y

y = -3

2.(1/2) -3 = y

1 -3 = y

y = -2