Key to Practice Midterm II

Problem 1:

Stock 20 pounds of Golden Delicious and 60 pounds of Granny Smith Apples

Problem 2:

A.  x > -6

B.  x < 9/11

C.  3/2 < x < 9/4

Problem 3:

A.  (2,4)

B.  (-infinity,infinity)

Problem 4:  

A.  (-2,2)

B.  (insert "or")  (-infintiy,2] U [3,infintiy)

Problem 5:  

A.  x = 3 or x = -1/3

B.  x = 5/2 or x = 1/8

Problem 6:

A.  7¹¹  

B.  12x⁸y³

C.  1

D.  -2x^-7

E.  x¹⁰y^-18z⁴

Problem 7:

Algebra inc. is 240 miles from Lake Tahoe.