Solve the problem.The average daily temperature T of a city in the United States is approximated by T = 55 - 23 cos 
(t -30)where t is in days, 1 ? t ? 365, and t = 1 corresponds to January 1. Find the period of T.
Fill in the blank(s) with the appropriate word(s).
365 days
Mathematics
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Find the domain of the rational expression.f(x) = 
A. {x|x is a real number and x ? 13, x ? 7, x ? 0}
B. 
C. {x|x is a real number and x ? -13, x ? 7, x ? 0}
D. 
Mathematics
Solve the problem.Nikki is fishing from a bank 14 feet above water level. In this location, the fish tend to feed at 44 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. 58 ft. B. 30 ft. C. -30 ft. D. -14 ft.
Mathematics
Solve the equation using both the addition and multiplication properties of equality.2x - 4 = 92 - 10x
A. {8}
B. {-8}
C. 
D. 
Mathematics
Determine whether the relation is a function.{(-7, 5), (-7, 7), (-1, 9), (4, 4), (10, 5)}
A. Function B. Not a function
Mathematics