Solve the given inequality (a related function is graphed).-x3 + 2x2 + 9x - 18 < 0 
x-intercepts: (-3, 0), (2, 0), (3, 0)
A. (-?, -3) ? (2, 3)
B. [-3, 2] ? [3, ?)
C. (-3, 2) ? (3, ?)
D. (3, ?)
Answer: C
Mathematics
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dx
A. ln 
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C. -2 ln 
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D. -ln 
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Solve the problem.The perimeter of a triangle is 70 cm. The triangle is isosceles now, but if its base were lengthened by 7 cm and each leg were shortened by 4 cm, it would be equilateral. Find the length of the base of the original triangle.
A. 15 cm B. 16 cm C. 23 cm D. 27 cm
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Write the decimal as a percent.1
A. 100% B. 0.1% C. 10% D. 0.01%
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Establish the identity.
= cos x + cot x
What will be an ideal response?
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