Solve.The average cost per tape, in dollars, for a company to produce x sports videotapes is given by the functionA(x) = 
for x > 0
Graph the function on the interval (0, ?) and complete the following:A(x) ? 
as x ? ?.
A. 
A(x) ? 1 as x ? ?.
B. 
A(x) ? 20 as x ? ?.
C. 
A(x) ? 15 as x ? ?.
D. 
A(x) ? 0 as x ? ?.
Answer: C
Mathematics
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Solve the problem.Find the angle between the planes 3x + 9y + 9z = 3 and 5x + 9y + 3z = 3
A. 53 B. 104 C. 167 D. 90
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Evaluate, if possible
A. 
B. 
C. 0
D. 
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Solve the right triangle. If two sides are given, give angles in degrees and minutes.
A = 11° 14', c = 247 ftRound side lengths to two decimal places.
A. B = 79° 45'; a = 48.12 ft; b = 238.27 ft B. B = 78° 46'; a = 48.12 ft; b = 242.27 ft C. B = 78° 45'; a = 51.32 ft; b = 243.47 ft D. B = 78° 46'; a = 47.55 ft ; b = 241.38 ft
Mathematics
Solve for x. Assume that a and b represent positive real numbers.16x2 = 25a
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Mathematics