Use the vertical line test to determine if the graphs are functions.
A. Yes
B. No
Answer: B
Mathematics
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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) = 
A. 
= 
; 
= 
B. 
= - 
; 
= - 
C. 
= - 
; 
= - 
D. 
= - 
; 
= - 
Mathematics
Factor the polynomial completely.75a2 - 12b2
A. 3(5a - 2b)2 B. 3(5a + 2b)2 C. 3(5a + 2b)(5a - 2b) D. (15a + 6b)(5a - 2b)
Mathematics
Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
Which year had the same number of male and female athletes?
A. 2004 B. 2005 C. 2003 D. 2002
Mathematics
Rewrite the fractions as equivalent fractions with the LCD.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics