Nisos and Chelita were arguing over a math problem Niss was nying to explain to Chefits that she had made a mistake in finding the intercepts of the function y = x ^ 2 - 10x + 21 Na Chelita exclained. "kew how to folz- Idd this rigle Here is Chelita's wide a. Find f(5) b. Find g(5) e. Find f(4) & Homework Help Step 1: x ^ 2 - 10x + 21 = 0 (x + 7)(x + 3) + 0 x + 7 = 0 x + 8 = a Step 2: Step 3: Therefore x=-7 triangleleft x + 3 Nianos tried tecexplain to Chelits that she had done something wong What i Chelida's ? Justity and explain y