Find the point-slope equation for the line with the given properties.Slope = 
; line passes through the point (2, -5)
A. x - 5 = 
(y + 2)
B. y - 2 = 
(x + 5)
C. y - 5 = 
(x + 2)
D. y + 5 = 
(x - 2)
Answer: D
Mathematics
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The cost C, in dollars, of downloading 
tunes from an Internet music service is given by
.
Here a and b are constants. Solve this equation for n in order to express the number of tunes you can download as a function of the cost C.
?
A. 
B. 
C. 
D. There is no solution.
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Provide an appropriate response.Sketch the graph of f(x) = -x2 + 2.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Use the graph of the function f to find
f(x).
A. 2 B. ? C. -? D. does not exist
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Indicate in which quadrant the point lies.
A. IV B. I C. III D. II
Mathematics