Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. AB is not defined.
B. 
C. 
D. 
Answer: A
Mathematics
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Provide an appropriate response.If two functions are inverses of each other, then their graphs are symmetric with respect to ________ .
A. the x-axis B. the y-axis C. y = x D. the origin (0, 0)
Mathematics
The figure depicts a racetrack with ends that are semicircular in shape. The length of the track is 
.
?
?
Find r and lso that the area enclosed by the rectangular region of the racetrack is as large as possible.
?
A. 
B. 
C. ?
D. ?
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 2
+ 3
A. 5
B. 5
C. 6
D. 5
Mathematics
Graph the function. f(x) = 
A. 
B. 
C. 
D. 
Mathematics