Subtract the polynomials.(9x7 - 2x6 + 14) - (10x6 + 6x7 + 15)
A. 3x7 - 12x6 + 29
B. 3x7 + 4x6 + 29
C. 3x7 - 12x6 - 1
D. -10x13
Answer: C
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Find the first term a1 and the common difference d of the arithmetic sequence.4, 12, 20, 28, 36, . . .
A. a1 = 4, d = 4 B. a1 = 8, d = 4 C. a1 = 8, d = -8 D. a1 = 4, d = 8
Find the slope of the polar curve at the indicated point.r = -6 - 3 cos ?, ? = 
A. - 2
B. - 
C. 
D. 2
Factor.8x2 - 8x - 48
A. Prime B. 8(x + 2)(x - 3) C. (8x + 16)(x - 3) D. 8(x - 2)(x + 3)
A business purchasing an item for business purposes may use straight-line depreciation to obtain a tax deduction. The formula for the present value, P, after t years is given below, where C is the cost and s is the scrap value after L years. The number L is called the useful life of the item.
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If a certain piece of equipment costs $4,100 and has a scrap value of $1,700 after 5 years, write an equation to represent the present value after t years.
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A. 
B. 
C. 
D. 
E. 