Question 6 • Applications and Modeling
The slope through (5, 2) and (6, 4) is (4 − 2) ÷ (6 − 5) = 2. Use y = mx + b and substitute (5, 2): 2 = 2(5) + b, so b = −8. Therefore, the equation is y = 2x − 8, which is choice A.
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