Suatu fungsi didefinisikan dengan rumus f(x) = mx + n.Jika f(0) = 4 dan f(-1) = 1, nilai f(-3) adalah....

f(x) = mx + n

f(0)=4 ➡ m(0) + n = 4
n = 4 . . .

f(-1)=1 ➡ m(-1) + n = 1
-1m + 4 = 1
-1m = 1 - 4
-1m = -3
m = -3/-1
m = 3 . . .

nilai f(-3) adalah
f(x) = mx + n
f(-3) ➡ 3(-3) + 4 = -9 + 4 = -5

nilai f(-3) = -5