diketahui rumus fungsi f(x)=px+q, f(m) =a dan f(b)=n menentukan hasil a+b

f(x) = px + q
f(m) = mp + q = a
a = -(mp + q)
f(b) = bp + q = n
bp = n-q
b = (n-q)/p

a + b
= -mp - q + (n-q)/p
= (-mp² - pq + n - q)/p