Rationalize the denominator. Simplify, if possible.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.
= 8x - 9
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the sphere with the given center and radius.Center (0, 0, 6), radius = 3
A. x2 + y2 + z2 - 12z = -27 B. x2 + y2 + 3 z2 + 12z = -27 C. x2 + y2 + z2 + 12z = -27 D. x2 + y2 + 3 z2 - 12z = -27
Mathematics
Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Graph the function.f(x) = 7?x? - 6
A. 
B. 
C. 
D. 
Mathematics