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Lesson 2 Questions: Rules of Differentiation, Chain Rule and Tangent Lines — Lesson quiz

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1.
If y = sin(3x) + cos(2x), then dy/dx at x = 0 equals:
3
−2
1
5
2.
If y = u2 + 3u and u = 2x − 1, then dy/dx at x = 2 is:
9
6
12
18
3.
If y = (2x + 1)5, then dy/dx at x = 0 is:
5
32
20
10
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