Question

F(x)=-4x+2 calcule a) f(½) b) f(-½) c)f(¾) d)f-7)

Answer 1

f(1/2)=-4(1/2)+2
f(1/2)=-2+2=0

f(-1/2)=-4(-1/2)+2
f(-1/2)=2+2=4

f(3/4)=-4(3/4)+2
f(3/4)=-3+2=-1

f(-7)=-4(-7)+2
f(-7)=28+2=30

espero ter ajudado