Solve.x2 + y2 + 9y = 0x2 + y2 = 7x
A. (1,0) 
B. (0,1) 
C. (1, -1) 
D. (0,0) 
Answer: D
Mathematics
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The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her $200 to drive 300 mi and in July it cost her $350 to drive 600 mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model.
What will be an ideal response?
Mathematics
Solve the equation.
= 0
A. {2} B. ? C. (-?, -2] ? [2, ?) D. {-2}
Mathematics
Graph the equation. y = 
x - 5 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find C(x) if C'(x) = 5x2 - 7x + 4 and C(6) = 260.
A. C(x) = 
x3 - 
x2 + 4x - 260
B. C(x) = 
x3 - 
x2 + 4x + 260
C. C(x) = 
x3 - 
x2 + 4x - 2
D. C(x) = 
x3 - 
x2 + 4x + 2
Mathematics