DIketahui fungsi f(x) = px + q, f(-2) =-5 Dan f(3) = 5. Nilai dari f(-3) adalah

F(x) = px+q

F(-2) = -5

F(3) = 5

F(-3) = ?

jwb = -2p+q = -5

3p+q = 5

-5 P = -10

P = 2

-2p+q = -5

-2(2) +q = -5

-4+q=-5

q = -5+4

q = -1

F(-3) = px+q

= 2 (-3) + (-1)

= -6-1 = -7