Question

05. Dada a função f(x) = 2x-3, determine:
a) f(1) =
b) f(-1) =
c) f(0) =
d) f(½)=​

Answer 1

F( 1) = 2.1-3 = 2-3 = -
F(-1) = 2 ( -1) -3 = -2-3 = -5
F(0 ) = 2 .0 -3 = -3
F(1/2) + 2 . 1/2 -3 = 2/2 -3 = 1-3 = -2