Find the equation of any horizontal asymptote.f(x) = 
A. y = 3
B. y = 4
C. None
D. y = -3
Answer: C
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Solve the problem. Round to the nearest hundredth if necessary.The windshield wiper on a car sweeps in the pattern depicted in the figure. The wiper blade is 
long, but the blade does not cover the first 6 in. of the pattern. How long is the arc at each end of the blade?
A. Outside arc = 150.72 in. , inside arc = 37.68 in. B. Outside arc = 12.56 in. , inside arc = 3.14 in. C. Outside arc = 75.36 in. , inside arc = 18.84 in. D. Outside arc = 25.12 in. , inside arc = 6.28 in.
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.4 + 8 + 12 + ... + 4n = 2n(n + 1)
What will be an ideal response?
Give the domain and range of the function.r(x) = 
- 4
A. Domain: [- 4, ?); Range: all real numbers B. Domain: all real numbers; Range: all real numbers C. Domain: all real numbers; Range: [- 4, ?) D. Domain: all real numbers; Range: [0, ?)
Solve the problem.The decay of 666 mg of an isotope is given by 
where t is time in years. Find the amount left after 71 years.
A. 653 B. 81 C. 161 D. 158