Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -x2 - 2x - 8

A. minimum; - 1
B. minimum; - 7
C. maximum; - 7
D. maximum; - 1

Answer: C

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.

A.  - + 6ln + 6ln + C
B. -12 ln  + tan-1  +  C
C. -12 ln + 6ln + 6ln + C
D. 12 ln - 6ln - 6ln + C

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Mathematics

Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a rectangular solid with width = 8 ft, length = 3 ft, height = 7 ft

A. 448 ft3 B. 72 ft3 C. 147 ft3 D. 168 ft3

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Mathematics

Evaluate the expression for the given value or values.x ? y for x = 4, y = 85

A. 320 B. 329 C. 340 D. 440

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Mathematics

Solve.A $1600 diamond ring is on sale at 45% off. Find the sale price.

A. $72.00 B. $1528.00 C. $880.00 D. $720.00

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Mathematics