Use a graphing calculator to approximate all real solutions of the equation.y = x3 - 2x2 - 36x + 72
A. 2
B. 36, 2, 72
C. -6, 2, 6
D. -2, 2, 6
Answer: C
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = x2, y = 4 + 3x, for x ? 0
A. 192? B. 32? C. 64? D. 96?
Find the measures of the following angles in the rhombus shown.
(a) ?CBD
(b) ?CAD
Rewrite with positive exponents, and simplify, if possible.
A. p3/4
B. 
C. p4/3
D. 
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 $8,100 and has a scrap value of $2,100 after 10 years, write an equation to represent the present value after t years.
What will be an ideal response?