33. Diketahui fungsi f(x) = ax + b, f(-3) = -33, f(3) = 27, tentukan:

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a. nilai a dan b
b. rumus fungsi f(x)​

33. Diketahui fungsi f(x) = ax + b, f(-3) = -33, f(3) = 27, tentukan:

a.

f(x) = ax + b

f(-3) = -3a + b = -33 …. (1)

f(3) = 3a + b = 27 ….. (2)

___________-

-6a = -60

a = 10

substitusi a ke (1)

-3a + b = -33

-30 + b = -33

b = -3

b.

f(x) = ax + b

f(x) = 10x -3