Find the derivative at the given x-value with the appropriate rule.
?
 
?

A. -9
B. -32
C. 0
D. -4.5
E. 9


Answer: D

Mathematics

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Find the square root correct to the thousandths place.

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Solve the problem.The length ? of a metal rod used in manufacturing cars must not differ from the standard s by more than 0.3 inches. The manufacturing engineers express this as  Find the limits of ? if the standard s is 20.3.

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Find the vertex, focus, and directrix of the parabola with the given equation.(y + 1)2 = -20(x + 3)

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Mathematics

Refer to the figure in following problems. Answer True or False.



1. AB\\CD
2. m? = m?3
3. m?1+m?3 = m?ADC
4. AB = CD
5. m?2 = 40°

Mathematics