Use NDER on a calculator to find the numerical derivative of the function at the specified point.f(x) = x2 + 5x at x = 4
A. 9
B. 13
C. 21
D. 3
Answer: B
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded by the line 3x + y = 6, by the x-axis, and by the y-axis, about the line x = -2.
A. 24? B. 32? C. 5? D. 64?
The following table shows, for males ages 55 to 64, the number of heart disease deaths H per 100,000 at time t years after 2000.
t 0 3 4 7 H 380 336 320 283?
A: Use the average rate of change from 2004 to 2007 to estimate the value of 
for 2004. Round your answer to two decimal places.B: Explain in practical terms the meaning of the number you found in part A. Round your answer to two decimal places.C: Use your answer from part A to estimate the number heart disease deaths per 100,000 males in 2006. Round your result to the nearest whole number.
What will be an ideal response?
Solve the problem.The amount of markup on a store item is $22. Find the cost to the store if the markup is 20%.
A. $4.40 B. $110.00 C. $18.33 D. $26.40
Simplify the radical.-
A. -|3x + 2| B. 3x + 2 C. |3x + 2| D. -3x - 2