Answer:
A
Step-by-step explanation:
Given the solutions of a quadratic, say x = a, x = b then the factors are
(x - a) and (x - b) and the function is the product of the factors, that is
f(x) = (x - a)(x - b)
Here the solutions are x = 5 and x = - 1, thus the factors are
(x - 5) and (x - (- 1)), that is (x - 5) and (x + 1), thus
f(x) = (x - 5)(x + 1) → A
