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AB Calculus

AB Calculus. Midterm Review Problems. A 15 foot ladder is resting against the wall. The bottom is initially 10 feet away from the wall and is being pushed towards the wall at a rate of ¼ ft/sec. How fast is the top of the ladder moving up the wall 12 seconds after we start pushing?.

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AB Calculus

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  1. AB Calculus Midterm Review Problems

  2. A 15 foot ladder is resting against the wall. The bottom is initially 10 feet away from the wall and is being pushed towards the wall at a rate of ¼ ft/sec. How fast is the top of the ladder moving up the wall 12 seconds after we start pushing?

  3. A tank of water in the shape of a cone is leaking water at a constant rate of 2 ft3/hr. The base radius of the tank is 5 ft and the height of the tank is 14 ft. At what rate the depth of the water in the tank changing when the depth of the water is 6 ft? At what rate is the radius of the top of the water in the tank changing when the depth of the water is 6 ft?

  4. A manufacturer wants to design an open box having a square base and a surface area of 108 square inches. What dimensions will produce a box with maximum volume?

  5. If y = (x3 + 1)2, then dy/dx = (3x2)2 b) 2(x3 + 1) c) 2(3x2 + 1) d) 3x2 (x3 + 1) e) 6x2 (x3 + 1)

  6. The graph of a function f is shown above. At which value of x is f continuous, but not differentiable?

  7. If the line tangent to the graph of the function f at the point (1, 7) passes through the point (-2, -2), then f ‘(1) is a) -5 b) 1 c) 3 d) 7 e) undefined

  8. Let f be the function given by f(x) = 2xex. The graph of f is concave down when x < -2 b) x > -2 c) x < -1 d) x > -1 e) x < 0

  9. The derivative g’ of a function g is continuous and has exactly two zeros. Selected values of g’ are given in the table above. If the domain of g is the set of all real numbers, then g is decreasing on which of the following intervals?

  10. A curve has a slope 2x + 3 at each point (x, y) on the curve. Which of the following in an equation for this curve if it passes through the point (1, 2)?

  11. The second derivative of the function f is given by f ‘’ (x) = x(x – a)(x – b)2. The graph of f ‘’ is shown below. For what values of x does the graph of f have a point of inflection? 0 and a only 0 and m only b and j only 0, a, and b b, j, and k

  12. Let f be the function defined by f(x) = 4x3 – 5x + 3. Which of the following is an equation of the line tangent to the graph of f at the point where x = -1? y = 7x – 3 y = 7x + 7 y = 7x + 11 y = -5x – 1 y = -5x – 5

  13. A particle moves along the x-axis so that at time t ≥ 0 its position is given by x(t) = 2t3 – 21t2 + 72t – 53. At what time t is the particle at rest?

  14. What is the slope of the line tangent to the curve 3y2 – 2x2 = 6 – 2xy at the point (3, 2)?

  15. Let f be the function defined by f(x) = x3 + x. If g(x) = f -1 (x) and g(2) = 1, what is the value of g’(2)?

  16. A particle moves along the x-axis so that at any time t ≥ 0, its velocity is given by v(t) = 3 + 4.1cos(0.9t). What is the accelerations of the particle at time t = 4? -2.016 -0.677 1.633 1.814 2.978

  17. The radius of a circle is increasing at a constant rate of 0.2 m/s. What is the rate of increase in the area of the circle at the instant when the circumference of the circle is 20π m.

  18. The function f is continuous for -2 ≤ x ≤ 1 and differentiable for -2 < x < 1. If f(-2) = -5 and f(1) = 4, which of the following statements could be false? • There exists c, where -2 < c < 1, such that f(c) = 0. • There exists c, where -2 < c < 1, such that f ‘ (c) = 0. • There exists c, where -2 < c < 1, such that f(c) = 3. • There exists c, where -2 < c < 1, such that f ‘ (c) = 3. • There exists c, where -2 ≤ c ≤ 1, such that f(c) ≥ f(x) for all x on the closed interval -2 ≤ x ≤ 1.

  19. For which of the following does exist? I only II only III only I and II only I and III only

  20. Let f be the function with derivative given by f ‘ (x) = sin(x2 + 1). How many relative extrema does f have on the interval 2 < x < 4? One b) two c) three d) four e) five

  21. The rate of change of the altitude of a hot-air balloon is given by for 0 ≤ t ≤ 8. Which of the following expressions gives the change in altitude of the balloon during the time the altitude is decreasing?

  22. The function f has the first derivative given by . What is the x-coordinate of the inflection point of the graph of f? 1.008 0.473 0 -0.278 the graph of f has no inflection point

  23. Let f be a differentiable function with f(2) = 3 and f ‘(2)= -5, and let g be the function defined by g(x) = x f(x). Which of the following is an equation of the line tangent to the graph of g at the point where x = 2?

  24. For all x in the closed interval [2, 5], the function f has a positive first derivative and a negative second derivative. Which of the following could be a table of values for f ?

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