Solve.There are 7 women running in a race. How many first, second, and third place possibilities can occur?
A. 21
B. 35
C. 343
D. 210
Answer: D
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) = ln 
A. 
= 
; 
= 
B. 
= -ln
; 
= ln 
C. 
= -ln 
; 
= ln 
D. 
= - 
; 
= 
Mathematics
Evaluate the expression.r = 
, v = 
, w = 
v ? w
A. 
B. 4
C. 
D. -49
Mathematics
Perform the indicated operation.Subtract (12x + 3) from (-5x2 - 6x + 3).
A. -5x2 + 6x + 6 B. -5x2 - 18x C. 5x2 + 18x D. -5x2 - 18x - 6
Mathematics
Find the slope of the tangent line to the graph of f at the given point.f(x) = 2x2 + x - 3 at (4, 33)
A. 17 B. 15 C. 19 D. 5
Mathematics