Use the quotient rule and the product rule to simplify the radical.

A.
B.
C.
D.


Answer: C

Mathematics

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Use the improved Euler's method to calculate the first three approximations to the given initial value problem. Compare the approximations with the values of the exact solution.y' = 2xy, y(1) = 1, h = 0.1 and h = 0.05

A.



B.



C.



D.



Mathematics

Find the second derivative of the function.y = 

A.  =  + 
B.  =  + 
C.  = -  - 
D.  = -  - 

Mathematics

Solve the problem.The total number of cars sold at a used car lot for the years 1996 and 1997 was 616. The number of cars sold in 1997 was 3 times the number of cars sold in 1996. How many cars were sold in 1997?

A. 153 B. 462 C. 466 D. 162

Mathematics

Simplify. (Assume all variables are nonzero.)z35 ÷ z5

A. z7 B. z175 C. z30 D. z40

Mathematics