Dada a funcao f(x) = 2x - 1, determine:
A) f(2)
B) f(-1)
C) f(1)
D) f(0)
E) f(1/2)
A) f(2)
B) f(-1)
C) f(1)
D) f(0)
E) f(1/2)
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Letra a :
f(2) = 2.2 - 1
f(2) = 4 - 1
f(2) = 3
Letra b :
f(-1) = 2.(-1) - 1
f(-1) = -2 - 1
f(-1) = -3
Letra c :
f(1) = 2.1 - 1
f(1) = 2 - 1
f(1) = 1
Letra d :
f(0) = 2.0 - 1
f(0) = 0 - 1
f(0) = -1
Letra e :
f(1/2) = 2.(1/2) - 1
f(1/2) = 2/2 - 1
f(1/2) = 1 - 1
f(1/2) = 0