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Section 2, Module 2: Math
32:45
Question 15 of 22
Medium
A quadratic function f is defined by:
f(x) = (x - 3)(x + 5)
In the xy-plane, the graph of y = f(x) has x-intercepts at (a, 0) and (b, 0), where a < b. What is the value of b - a?
A
2B
4C
8D
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