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Lesson 1 Questions: Rate of Change and Differentiation Rules — Lesson quiz

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1.
If y = (2x + 1)(3x − 4), then dy/dx at x = 1 equals:
1
7
12
−5
2.
If y = (3x2 − 5)4, then dy/dx is:
24x(3x2 − 5)3
4(3x2 − 5)3
6x(3x2 − 5)3
12x(3x2 − 5)4
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