Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 168 feet?
A. 2.4 sec
B. 5.8 sec
C. 2.2 sec
D. 3.2 sec
Answer: A
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Evaluate the integral.
A. 8 sin x - 8 cos x + C B. 8 sin x - x cos x + C C. 8 sin x - 8x cos x + C D. 8 sin x + 8x cos x + C
Solve the problem.The perimeter of a rectangle is the sum of the lengths of all four sides. A rectangle has a perimeter of 
. Let W be the width, L be the length, and P be the perimeter, all units in yards.a. Sketch three possible rectangles of perimeter 36 yards.b. Which of the symbols W, L, and P are variables?c. Which of the symbols W, L, and P are constants?
What will be an ideal response?
Write the equation in standard form.x2 - 6x - 7y + 7 = 0
A. (x - 3)2 = 7(y + 0.3) B. (x + 3)2 = 7(y - 0.3) C. (x - 3)2 = -7(y - 0.3) D. (x - 3)2 = 7(y - 7)
Find the slope of the line. 
A. -7 B. -1 C. 7 D. 1