diketahui rumus fungsi f(x)=ax+b Tentukan nilai a dan b jika f(4)=17 dan f(-3)=-18

f(x) = ax + b
f(4) = 4a + b = 17
f(-3) = -3a + b = -18

PAKAI ELEMINASI

4a + b = 17
-3a + b = -18
___________ -
7a = 35
a = 35 ÷ 7
a = 5

LALU SUBSITUSIKAN
4a + b = 17
(4×5) + b = 17
20 + b = 17
b = 17 - 20
b = -3

JADI,
NILAI a = 5
NILAI b = -3

SEMOGA MEMBANTU :)