C.
D.
E.
- Let f(x) = x^3 and g(x) = −k. In the standard (x,y) coordinate plane, y = f(g(x)) passes through (−2,8). What is the value of k ?
F. 2
G. 1
H. −3
J. −8
K. −9
- A plane contains 7 vertical lines and 7 horizontal lines. These lines partition the plane into disjoint regions. How many of these disjoint
regions have a finite, nonzero area?
A. 12
B. 14
C. 25
D. 36
E. 49
- Which of the following must be less than 0, if x, y, and z are real numbers and x^3 y^4 z^6 < 0 ?
F. xy
G. xy^2
H. yz
J. xyz
K. x^2 y^2 z^3
