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) = 2.1-3

f(1) = 3-3

f(x) = 0

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

f(-1)= 2.4

f(x)= 8

c) f(0)= 2.0-3

f(0)= 2.3

f(x) = 6

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

f(1/2)= 2/4-3

f(x) = -1/4