Dada a função f(x) = 2x -3, determine? a) f(1) = ______ b) f(-1) = ______ c) f(0) = ______ d) f( 1/2 ) = ______

a) -1

b) -5

c) -3

d) -2

f(x)=2x - 3

a) f(1)= 2(1) -3 = - 1

b) f(-1)= 2(-1) -3 = - 5

c) f(0)= 2(0) - 3 = - 3

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

f(1)=-1 f(2)=1 f(-1)=-5 f(0)=-3 f(1/2)=-2