Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 0
Answer: C
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First determine which number (x or y) is more accurate, then which is more precise.x = 36.5, y = 0.26
A. y, y B. x, x C. y, x D. x, y
Solve the problem.The height h of a ball thrown is given by 
, where x is the horizontal distance traveled and both measurements are in feet. At what horizontal distances will the height of the ball be more than 
(Round distances to the nearest tenth of a foot, if necessary.)
A. 5.9 ft < x < 25 ft B. 0 ft < x < 19.1 ft C. 0 ft < x < 5.9 ft or 19.1 ft < x < 25 ft D. 5.9 ft < x < 19.1 ft
Solve the problem.In 1999 the stock market took big swings up and down. A survey of 998 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily? 
A. 26.75% B. 24.52% C. 29.26% D. 22.95%
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Decreasing on (-3, -2) and (2, 4); increasing on (-1, 1) B. Increasing on (-3, -2) and (2, 4); decreasing on (-1, 1); constant on (-2, -1) and (1, 2) C. Decreasing on (-3, -2) and (2, 4); increasing on (-1, 1); constant on (-2, -1) and (1, 2) D. Decreasing on (-3, -1) and (1, 4); increasing on (-2, 1)