Factor.(x + 5)3 - (x - 5)3
A. 10(3x2 + 25)
B. (2x + 10)(x2 + 25)
C. 5(x2 + 75)
D. (x - 5)(x2 + 5x + 25)
Answer: A
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Determine an appropriate domain of the function. Identify the independent and dependent variables.A cylindrical water tank with a radius of 11 feet and a height of 68 feet is filled to a height of h. The volume V of water (in cubic feet) is given by the function g(h) = 121?h.
A. D = [0, 68] The independent variable is h. The dependent variable is V. B. D = [0, 8,228?] The independent variable is V. The dependent variable is h. C. D = [0, 68] The independent variable is V. The dependent variable is h. D. D = [0, 121] The independent variable is h. The dependent variable is V.
Find the LCD for the fractions in the list.
, 
A. 5 - n B. n + 5 C. n2 - 25 D. n2 + 25
Expand the expression using the Binomial Theorem.(3x - 1)5
A. 243x5 - 81x4 + 27x3 - 9x2 + 3x - 1 B. (9x2 - 6x + 1)5 C. 243x5 + 15x4 - 90x3 - 90x2 + 15x - 1 D. 243x5 - 405x4 + 270x3 - 90x2 + 15x - 1
Solve the equation.
= 5
A. x = 1
B. x = 5
C. x = 0
D. x = 