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1. If f(x) = cos2x, then the derivative, f'(x) = ? a) 2sinx b) -2 sin x cosx c) 2cosx d) 2 cosx - sinx 2. If f(x) = 4e - 4x, then the second derivative, f'(x) = ? a) 64e-4x b) -64e-4x c) -12e-4x d) none of these 3. State the slope of the tangent to y = In (2x + 1) at x = 1 a c) b) In3 sin?(2x) at x = 12 Find the slope of the tangent to y = 4. = 3 4 5. a) 3 b) -V3 C d) V3 For the curve with equation y = -In (x), determine the x coordinate of the point on the curve where the slope of the tangent = 3 a) x = -6 b) x = 1 c) x = d) none of these Determine the derivative of the curve with equation y = 42x a) 42x In4 b) 42x In2 c) 4*In2 d) 2.42x In4 x _ 6. 7. If h(x) = 2xe*, then f'(-1) = ? a) 0 b) 2e c) 2 + 2e-1 d) 2e-2

8 8. = Given f(x) = cos(3x + 1), find f'(1) a) 0 b)-1 c)-3 d) none of these 9. = If f(x) = vex, the derivative is: a) f'(x) = vez ) b) f'(x) = vex 1 = c) f'(x) = f= d) none of these 2 zvex 10. Which of the following is a derivative of the function y 2excosx is: a) 2e*cosx b) –2e^(sinx - cosx) c) 2e* (1) d) –2e*cosx sinx