Factor.12x3 - 52x2 - 40x
A. (x2 - 5)(12x + 8)
B. 4x(3x + 2)(x - 5)
C. 4(3x - 2)(x + 5)
D. x(3x + 2)(4x - 20)
Answer: B
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A can has a volume of 25 cubic inches. We can calculate both the height h, in inches, and the surface area S, in square inches, from the radius r, in inches, of the can:
?
A: Find the radius of the can of minimum surface area.B: What is the height of the can of minimum surface area?C: What is the minimum surface area?
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(Round your answers to two decimal places.)
What will be an ideal response?
Find the cubic or quartic function that models the data in the table.
(Cubic)
A. y = 0.38x3 - 4.35x2 + 22.97x - 33.40 B. y = 0.28x3 - 4.35x2 + 24.97x - 33.40 C. y = 0.38x3 - 5.35x2 + 24.97x - 33.40 D. y = 0.28x3 - 5.35x2 + 22.97x - 33.40
Find the average of the numbers.What is the average of all integers between 3 and 23, inclusive of both?
A. 273 B. 13 C. 14 D. 56
Use either the binomial theorem or Pascal's Triangle to expand the binomial.(x + 3)3
A. x3 + 27 B. x3 + 9x2 + 27x + 27 C. 3x + 9 D. x3 + 3x2 + 9x + 27