Diketahui fungsi f dirumuskan dengan f(x) = 4x – 5. Tentukan nilai dari f(2) dan f(-3)
F (x) = 4x – 5
f (2) = 4.2 -5
= 8 -5
= 3
f (-3) = 4.-3 -5
= -12 -5
= -15
F(2)=4(2)-5
f(2)=8-5
f(2)=3
f(-3)=4(-3)-5
f(-3)=-12-5
f(-3)=-17