If x = 4 cot ?, use trigonometric substitution to write 
as a trigonometric function of ?, where 0 < ?< ?.
A. ?4 cos ?
B. ?4 csc ?
C. ?4 cot ?
D. ?4 sec ?
E. ?4 sin ?
Answer: B
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Sketch the graph of the function and find the domain and range.f(x) = -x2 - 3
A. domain: all real numbers
range: y ? 3
B. domain: all real numbers
range: y ? -3
C. domain: x ? -3
range: y ? 0
D. domain: all real numbers
range: y ? -3
Provide an appropriate response.Which of the following sequences do not meet the conditions of the Integral Test? I. an = n(sin n + 1) II. an = 
III. an = 
A. II and III B. I only C. I and III D. I, II, and III
Solve the problem.The path of a projectile fired at an inclination ? to the horizontal with an initial speed vo is a parabola. The range R of the projectile, the horizontal distance that the projectile travels, is found by the formula src="https://sciemce.com/media/4/ppg__c6.10509190827__f1q99g4.jpg" alt="" style="vertical-align: -4.0px;" /> to the horizontal. Round your answer to two decimal places.
A. 464.89 ft
B. 444.58 ft
C. 232.44 ft
D. 444.48 ft
where 
feet per second or 
meters per second. Find the range of a projectile fired with an initial velocity of 160 feet per second at an angle of
Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Use this information to find the requested percent.Find the percent of home prices between $148,900 and $151,100 if the standard deviation is $1100.
A. 95% B. 99.7% C. 68% D. 34%