Simplify the exponential expression. Assume that variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
Decide whether the limit exists. If it exists, find its value.lim f(x)x?0
A. -1 B. Does not exist C. 1 D. 0
Mathematics
Find the general form of the equation of the the circle.Center at the point (5, 7); tangent to y-axis
A. x2 + y2 - 10x - 14y + 49 = 0 B. x2 + y2 - 10x - 14y + 99 = 0 C. x2 + y2 + 10x + 14y + 49 = 0 D. x2 + y2 - 10x - 14y + 25 = 0
Mathematics
Solve the problem.The magnitudes of two stars, A and B, are 5 and 14, respectively. Compare the brightness of these stars.
A. Star A is ? 3.16 × 104 times brighter than star B. B. Star A is ? 1.00 × 1018 times brighter than star B. C. Star B is ? 1.00 × 104 times brighter than star A. D. Star A is ? 3.98 × 103 times brighter than star B.
Mathematics