Question

dada a função afim f(x) = 2x +3, determine os valores de x pra que:

Answer 1

f(x) = 1

2x + 3 = 1
2x = -2
x = - 1
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f(x) = 0

2x + 3 = 0
2x = - 3
x = -3/2
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f(x) = 1/3

2x + 3 = 1/3
6x + 9 = 1
6x = - 8

x = -8/6 = - 4/3