Provide an appropriate response.For the function 
with domain of 
find the range.
A. (-?, -1]
B. (-?, 1]
C. [-7, -1]
D. [-1, ?)
Answer: A
Mathematics
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Show that the function is a solution of the wave equation.w(x, t) = ex - ct
A. Yes B. No
Mathematics
Find the area of the circle. Use 3.14 or 
for ? as indicated.Find the area. Round the answer to the nearest tenth of a unit.
A. 27 mi2 B. 14.5 mi2 C. 58.1 mi2 D. 13.5 mi2
Mathematics
a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.
A. c = 26 B. c = 50 C. c = 49 D. c = 35
Mathematics
Solve.Ted walks around a lake on a path that is 5
miles long. It takes him 3
hours to complete his walk. What is his average speed (in miles per hour)?
A. 1
miles per hour
B. 1
miles per hour
C. 1
miles per hour
D. 2
miles per hour
Mathematics