Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.
-1/2
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Write the given iterated integral as an iterated integral with the order of integration interchanged.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the function is a solution of the wave equation.w(x, t) = ex - ct
A. No B. Yes
Mathematics
Multiply the following binomials:
a. (x + 1)(x - 3) b. (x + 3)(x - 3) c. (2x + y)(3x - 2y) d. (5a + 2)2
Mathematics
Solve the logarithmic equation.log2(x - 3) + log2(x - 9) = 4
A. {11} B. {1} C. {12} D. {11, 1}
Mathematics