Question

Dada a função f(x)=2x-3,determine:

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Answer 1

Resposta:

f(x) = 2x - 3

a) f(1)

f(1) = 2.1 - 3

f(1) = 2 - 3

f(1) = -1

b) f(-1)

f(-1) = 2.(-1) - 3

f(-1) = -2 - 3

f(-1) = -5

c) f(0)

f(0) = 2.0 - 3

f(0) = 0 - 3

f(0) = -3

d) f(1/2)

f(1/2) = 2.(1/2) - 3

f(1/2) = 2/2 - 3

f(1/2) = 1 - 3

f(1/2) = -2