Graph the pair of parametric equations.x = t2, y = 
+ 3, 0 ? t ? 4
A. 
B. 
C. 
D. 
Answer: C
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Find the missing integer or fraction.
= 
A. 54 B. 126 C. 6 D. 756
Decide whether the statement is true or false. If it is false, tell why.If k is a positive integer, then x2 = k will have one rational and one irrational solution.
A. True B. False; there will be either two rational solutions or two irrational solutions. C. False; there will always be two rational solutions.
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. 
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 