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Interactive testing and assessment: Lesson 2 – Rules of Differentiation, Chain Rule and Tangent Lines

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1.
If y = sin(3x) + cos(2x), then dy/dx at x = 0 equals:
3
5
1
-2
2.
The slope of the tangent to the curve y = (x + 1)/(x - 1) at x = 2 is:
-1
3
-2
2
3.
If the tangent to y = x2 - 4x + 5 is parallel to the x-axis, the point of tangency is:
(2, 1)
(0, 5)
(4, 5)
(2, 0)
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