dik fungsi f(x)= ax+b jika f(-2)=-17 dan f(5)=32 maka nilai A+B brp??

= -2a + b = -17
= 5a + b = 32
  ------------------- -
    -7a = - 49
= a = 7

b = -14 + b = -17
= b = -3

= a + b
= 7 + (-3)
= 4

f(-2) = -2a+b = -17
f(5). = 5a+b = 32
_________-
-7a = -49
a = 7

-2a+b = -17
-2(7)+b = -17
b = -17+14
b = -3

a+b = 7 + (-3)
= 4