Solve the problem.Going toward San Francisco a building with a vertical height of 175 feet is seen from a small boat. At a distance x feet from the building, the angle of elevation ? of the top of the building can be found from the equation x = 175 cot ?. Sketch x as a function of ?.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.The original amount of a loan minus the compound total is the future value.
A. True B. False
Mathematics
Divide and simplify.
A. t7
B. t8
C. t
D. 
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x2 + 7x ? -12
A. (-?, 3] ? [4, ?)
B. (3, 4)
C. [3, 4]
D. [-4, -3]
Mathematics
Solve the application.A rectangular projector screen has a length of 5
feet and a width of 1
feet. What is the area of the screen?
A. 7
ft2
B. 8
ft2
C. 3
ft2
D. 25
ft2
Mathematics