Question

Diket f(x)= px+q dg f(2)=9 & f(0)= -1, tentkn fungsi tsb!

Answer 1

F(x) = px+q

f(2)= 9 ---> 2p+q = 9
f(0) = -1 --->     q = -1

subsitusikan q = -1 ke 2p+q = 9
2p+q = 9
2p-1 = 9
2p = 10
p = 10/2
p = 5

fungsi tersebut adalah
f(x) = 5x -1