5 Steps to a 5 AP Calculus AB 2019 - William Ma

MA 3972-MA-Book April 11, 2018 16:32

354 STEP 5. Build Your Test-Taking Confidence

• 6 – 4 – 20 2 4 6

f ́

y

x

83. The figure above shows the graph of the
    derivative of a functionf. Which of the
    following could be the graph off?
    
    
    • 6
    
    
    
    

(A)

• 4 – 20 2 4 6

y

x

• 6 – 4 – 20 2 4 6

y

x

(B)

• 6 – 4 – 20 2 4 6

y

x

(C)

• 6 – 4 – 20 2 4 6

y

x

(D)

84. A wire 40 centimeters long is being cut into
    two pieces to make a circle and a square. If the
    total area of the circle and the square is a
    minimum, how much wire, in centimeters,
    should be used for the circle?
    (A) 17.596 (B) 22.404
    (C) 40 (D) 56.010


85. Given thatf(x)=arccos(2x), what is the slope
    of the tangent to the graph offatx=0?
    (A) − 2 (B) 0
    (C) 1 (D) 2


86. A solid is generated by revolving about the
    x-axis, the region bounded by the curves
    y=x^3 − 2 x+1 andy=x+2 in the second
    quadrant. The volume of the solid is
    (A) 2. 241 (B) 7. 039
    (C) 10. 348 (D) 16. 279

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