Find the open interval(s) where the function is changing as requested.Decreasing; f(x) = 
A. (-?, 1), (1, ?)
B. (-?, 4), (4, ?)
C. (-?, -1)
D. none
Answer: A
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Two cities in the western hemisphere lie approximately on the same meridian. City A has latitude of 15.5° N and City B, 60.5° N. Find the distance between these two cities. (The radius of the earth is 3960 miles.)
(a) 3,960 miles (b) 3,110 miles (c) 3,250 miles (d) 2,110 miles (e) 5,280 miles
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
Find the area of the rectangle.
14 feet
A. 147 sq ft B. 49 sq ft C. 196 sq ft D. 98 sq ft
Use a day counting table to find the exact number of days from the first date to the second date. Assume the year is not a leap year unless otherwise indicated.September 11 to November 23
A. 327 B. 72 C. 73 D. 104