Identify the intervals where the function is changing as requested.Decreasing
A. (-?, -2)
B. (0, 3)
C. (0, -2)
D. (-?, 3)
Answer: D
Mathematics
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Solve the problem.A motorcycle daredevil is planning a stunt to perform at a county fair. A ramp must be built to give him a 20% grade, or slope. If the vertical height at the end of the ramp must be 15 ft to assure that the stunt is a success, what must be the length of the horizontal run?
A. 15 ft B. 75 ft C. 2.7 ft D. 270 ft
Mathematics
Find the transform of the given function by use of a table.f 
= cos 5t - sin 5t
A. F 
= 
B. F 
= 
C. F 
= 
D. F 
= 
Mathematics
Evaluate.Find (
)(3) given f(x) = x2 + 11x + 18 and g(x) = 4 - x2.
A. - 12
B. 
C. - 
D. 
Mathematics
Use the table to find the monthly checking-account service charge for the account. 
Ajax Lumber, 87 checks, average balance $7108
A. $0 B. $13.70 C. $5.00 D. $8.70
Mathematics