Find the reciprocal.
A. 
B. 
C. 10
D. 
Answer: A
Mathematics
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Find the perimeter and the area of the figure.
A. perimeter: 121 ft; area: 44 sq ft B. perimeter: 44 ft; area: 121 sq ft C. perimeter: 22 ft; area: 121 sq ft D. perimeter: 44 ft; area: 484 sq ft
Mathematics
Find the intervals on which the function is continuous.y = 
A. discontinuous only when x = -4 B. discontinuous only when x = 16 C. discontinuous only when x = -4 or x = 4 D. discontinuous only when x = -16 or x = 16
Mathematics
Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Rewrite the expression in terms of exponentials and simplify the results.ln 
+ ln (cosh 2x + sinh 2x)
A. ln (e2x - e-9x) B. 11x C. -7 D. -7x
Mathematics