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
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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
Use a graphing calculator to solve the equation.5x2 - 11x = 12
A. - , -3
B. - , 0
C. - , 1
D. - , 3
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.
Find an equation of a sphere with the given radius r and center C.
What will be an ideal response?