If f(x) = a1 [b1 (x - h1)] + k1 and g(x) = a2 [b2 (x - h2)] + k2. We know that f(x) ≠ g(x) et V(x) = f(x) g(x). If V(x): 7 [8 (x-9)] - 10, give a possible equation for f(x) and for g(x).