Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 30 feet. (Round to the nearest tenth.)
A. 31.0 ft per sec
B. 7.7 ft per sec
C. 43.8 ft per sec
D. 1920 ft per sec
Answer: C
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Solve the problem.The height in meters of women of a certain tribe is approximated by 
where t is the woman's age in years and 
Estimate the height (to the nearest hundredth) of a woman of the tribe 4 years of age.
A. 0.96 m B. 0.52 m C. 1.12 m D. 0.77 m
Provide an appropriate response.If f(x) ? 0 on the interval [a, b], then 
representsi) the area to the right of the y-axis between y = a and y = b.ii)the area above the x-axis between x = a and x = b.iii) the area below the x-axis between x = a and x = b.
A. None of the above is correct. B. Only i is correct. C. Only ii is correct. D. Either ii or iii could be correct.
Provide an appropriate response.Determine the lateral surface area of the given figure. The dimensions are in inches. 
A. 1,560 in2 B. 720 in3 C. 315 in2 D. 630 in2
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.In a recent survey of 48 people, 24 said that their favorite color of car was black. What percent of the people surveyed liked black cars?
A. 2% B. 50% C. 51% D. 3%