Find the derivative of the function at the specified point.f(x) = -10x2 + 4x at x = 11
A. -216
B. -196
C. -176
D. -363
Answer: A
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Estimate the value of the quantity.A swimming pool has a leak. The leak is getting worse. The following table gives the leak rate every 6 hours.
Suppose it keeps leaking 6.3 gallons every 6 hours. After losing 3500 gallons the leak is fixed. Approximately how long did the leak last? Use the right endpoints to estimate the first 48 hours.
A. 55.86 hours B. -79.60 hours C. 33.75 hours D. 27.75 hours
Divide using long division.
A. x2 + 3x + 3 B. 2x2 + 3 C. 2x2 + 3x + 3 D. x2 - 3x - 3
Translate to an equation and solve. When necessary, round to the nearest hundredth.What is 8% of 2200?
A. 176 B. 276 C. 1760 D. 2760
Evaluate the expression for the given values.-4xy + 9y - 4
x = 1, y = -3
A. -43 B. -15 C. -19 D. -11