Find (2x + 5)3 .Don't forget that (2x + 5)3 means (2x + 5)(2x + 5)(2x + 5). 

A. 8x3 + 20x2 + 150x + 125
B. 8x3 + 60x2 + 150x + 25
C. 8x3 + 60x2 + 50x + 125
D. 8x3 + 30x2 + 150x + 125
E. 8x3 + 60x2 + 150x + 125


Answer: E

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: 6 at    minimum: 3 at  
B. Maximum: 6 at    minimum: -3 at  
C. Maximum: 11 at (6, 3, 2), (6, 2, 3), (3, 2, 6), (3, 6, 2), (2, 3, 6), (2, 6, 3); minimum: 1 at      
D. Maximum: 9 at    minimum: 3 at  

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Use a graphing calculator to solve the equation.5x2 - 11x = 12

A. , -3
B. , 0
C. , 1
D. , 3

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Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.

A. 89
B. 83
C.  
D.

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Find an equation of a sphere with the given radius r and center C.

What will be an ideal response?

Mathematics