Use properties of exponents to simplify the expression. Express answers in exponential form with positive exponents only. Assume that any variables in denominators are not equal to zero.
-3
A. 
B. x18
C. 
D. x30
Answer: A
Mathematics
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Find the value of the specified finite sum.Given 
= 2 and 
= 6, find 
.
A. 10 B. -14 C. -10 D. 14
Mathematics
Solve the compound inequality. Graph the solution set and write the solution in interval notation.x < 2 or x < 8
A. (-?, 8)
B. (-?, 2) ? (8, ?)
C. (2, 8)
D. (2, ?)
Mathematics
For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: none; Absolute minimum: f(1) = 2 B. Absolute maximum: f(4) = 7; Absolute minimum: f(1) = 2 C. Absolute maximum: none; Absolute minimum: none D. Absolute maximum: f(4) = 7; Absolute minimum: none
Mathematics
Find the vertex of the parabola.f(x) = -2x2 - 16x - 25
A. (-4, 7) B. (0, -25) C. (-4, -7) D. (4, 7)
Mathematics