Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
A. 
B. 243
C. 9
D. 81
Answer: D
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Perform the indicated operation and simplify. Assume all variables in the radicand are greater thanor equal to zero.
? 
A. 
B. 
C. 
D. 210mn
An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.(x2 - 1)1/2 ? 
(2x + 5)1/2 ? 2 + (2x + 5)3/2 ? 
(x2 - 1)-1/2 ? 2x
A. (x2 - 1)1/2 (2x + 5)1/2(5x2 + 5x - 3)
B. 
C. (x2 - 1)1/2 (2x + 5)-1/2(5x2 + 5x - 3)
D. 
Let U = { 3, 6, 9, 12, 15, ... } and p(x) be the open statement "x is even". Determine the truth value of the given statement.[?x p(x) ?[?x (~p(x))]
Fill in the blank(s) with the appropriate word(s).
Use synthetic division to find the quotient and the remainder.x2 + 9x + 10 is divided by x + 6
A. x + 3; remainder -8 B. x + 4; remainder 0 C. x + 3; remainder 0 D. x + 3; remainder 8