B. f(2x-3)=7x -16, tentukan nilai f(-5)c. f(x) = 2x + 5, tentukan f(-4)​

C. F(-4)= 2(-4)+5= -8 +5=-3
B.f(2x-3)= 7(2x-3)-16
= 14x -21 -16
=14x -37
F(-5)= 14(-5) -37= -70-37=-107