Question

F (x) = 3x + 10
f (-1) = a
f (b) = (-2)

ada yang tau gimana caranya ??

Answer 1

F(x) = 3x + 10
f(-1)= a
    a = 3(-1) + 10
    a = 7
f(b) = -2
   -2 = 3x + 10
-2-10= 3b
     3b= -12
       b= -4