Is the following correspondence a function??
A. Yes
B. No
Answer: A
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Provide an appropriate response. The angles of elevation to an airplane from two points A and B on level ground are 53° and 71°, respectively. The points A and B are 2.8 miles apart, and the airplane is east of both points in the same vertical plane. Find the altitude of the plane.
A. 8.6 miles B. 0.9 miles C. 27.7 miles D. 6.8 miles
A firm purchased a 15-year franchise for a computer outlet store that is expected to generate income at the rate of
?
?
dollars per year. If the prevailing interest rate is 9% per year compounded continuously, find the present value of the franchise.
?
A. $3,264,095 B. $4,938,398 C. $3,619,817 D. $2,240,764 E. $5,973,418
Determine whether the following is a difference of squares.x2 - 81y2
A. No B. Yes
Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.cos x = -0.80
A. 2.50, 5.64 B. 2.50, 3.79 C. 0.64, 3.78 D. 0.64, 2.50