Multiply and simplify.
A. 
B. 
C. 
D. 
Answer: A
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Graph the equation. Include the coordinates of any local extreme points and inflection points.y = 2x3 - 3x2 - 12x
A. local minimum: (-2, 8)
local maximum: (0, 0)
inflection point: (-1, 4)
B. no extrema
inflection point: (0, 0)
C. local minimum: (2, -20)
local maximum: (-1, 7)
inflection point: 
D. local minimum: (3, -30)
no inflection point
Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number.425.615
A. 425.615, 425.61, 426 B. 425.62, 425.6, 425 C. 425.615, 425.62, 425 D. 425.615, 425.62, 425.6
Solve the problem.A pendulum swings though an angle of 20° each second. If the pendulum is 25 inches long, how far does its tip move each second? Round your answer to two decimal places when necessary.
A. 10.02 in. B. 6.88 in. C. 8.73 in. D. 11.16 in.
Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.10m + 8 = 2(3m + 16)
A. Identity; {all real numbers} B. Contradiction; ? C. Conditional; {6} D. Conditional; {-10}