Refer to the double-bar graph below which shows the number of male (M) and female (F) athletes at a university over a four-year period. Solve the problem. 
YEARWhich year had the smallest number of female athletes?
A. 1988
B. 1987
C. 1986
D. 1989
Answer: C
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Find the partial derivative of the dependent variable or function with respect to each of the independent variables.f(x, y) = sin2 (4xy2 - y)
A. 
= 8y2sin (4xy2 - y) cos (4xy2 - y); 
= 2sin (4xy2 - y) cos (4xy2 - y)
B. 
= 8y2sin (4xy2 - y) cos (4xy2 - y); 
= (16xy - 2) sin (4xy2 - y) cos (4xy2 - y)
C. 
= 2sin (4xy2 - y) cos (4xy2 - y); 
= 2sin(4xy2 - y) cos(4xy2 - y)
D. 
= 2sin (4xy2 - y) cos (4xy2 - y); 
= (16x - 2) sin (4xy2 - y) cos (4xy2 - y)
What are the three logical functions?
What will be an ideal response?
Solve the problem. Assume all variables represent nonnegative real numbers.For f(x) = x - 
and g(x) = x - 
, find (f ? g)(x).
A. (f ? g)(x) = x2 - 5
B. (f ? g)(x) = x2 + 2x
+ 5
C. (f ? g)(x) = x2 + 5
D. (f ? g)(x) = x2 - 2x
+ 5
Identify and graph the conic section. Label the center and/or vertex as appropriate.
+ 
= 1
A. ellipse; center (-6, 7);
(-15, 7), (3, 7), (-6, -1), (-6, 15)
B. hyperbola; center (-6, 7);
(2, 7), (-14, 7)
C. hyperbola; center (-6, 7);
(-15, 7), (3, 7)
D. ellipse; center (-6, 7);
(2, 7), (-14, 7), (-6, 16), (-6, -2)