Question

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

Answer 1

f(1)=2.1-3
f(1)=-1

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

f(0)=2.0-3
f(0)=2-3

f(1/2)=2.1/2-3
f(1/2)=-2