Key to the Practice Midterm

Problem 1.

A. (-3)(14)(2 - 3x)¹³ 

B.   (x² -x)¹⁰ + (x)(2x - 1)(10)(x² - x)⁹ 

C.  2⁵(1+(1+(1+(1+x²)²)²)² )(1+(1+(1+x²)²)²)(1+(1+x²)²)(1+x²)

D. y' =  [2xy - 6x]/[4y³ -x²]

E.  y' = [2y]/[2x-(x-y)²]

Problem 2.

10x15

Problem 3.   A.  104.6 ft/sec

B.  -6

Problem 4.  .352

Problem 5. .18 yards per second.