Question 1 • AP Calculus AB - MA5186 A
Substitute h for x in f(x) = 3x² + 2 to get f(h) = 3h² + 2, so B is true. For f(x + h), substitute x + h and expand: 3(x + h)² + 2 = 3x² + 6xh + 3h² + 2, so E is true. The other expressions do not match these substitutions and expansions.
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