The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
What temperature was recorded at 2 p.m.?
A. 79 ° F
B. 76 ° F
C. 78 ° F
D. 80 ° F
Answer: C
Mathematics
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Determine whether the sequence converges or diverges, and, if it converges, find 
an.an = ln(5n + 2) - ln(3n - 6)
A. ln 2
B. ln
C. ln
D. Diverges
Mathematics
Solve.
+ 
= -1
A. 0
B. No solution
C. - 
D. 5
Mathematics
Factor. If prime, so state.8a4b - 18b3
A. 2b(2a - 3b)2 B. prime C. 2b(2a2 + 3b)(2a2 - 3b) D. 2b(2a + 3b)2
Mathematics
Solve the problem.The surface area S (in square inches) of a cylindrical pipe with length 12 inches is given by S(r) = 2?r2 + 24?r, where r is the radius of the piston (in inches). If the radius is increasing with time t (in minutes) according to the formula r(t) = 
t2, t ? 0, find the surface area S of the pipe as a function of the time t.
What will be an ideal response?
Mathematics