Question

Q2. Dadas as funções a seguir determine:

a) F(x) = 2x -1

F(0)

F(-1)

F(2)

F(-4)

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Answer 1

F(x) = 2x -1

F(0) = 2.0 -1 = 0 -1 = -1

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

F(2) = 2.2 -1 = 4 -1 = 3

F(-4) = 2.(-4) -1 = -8 -1 = -9