Use the indicated formula to find the sum.Use S = n2 to find the sum of 1 + 3 + 5 + . . . + 499.
A. 124,002
B. 62,500
C. 15,625
D. 62,001
Answer: B
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Evaluate the factorial expression.
A. 10,080 B. 360 C. 604,800 D. 720
Find the functions 
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A plane in three dimensional space can be written as ax + by + cz = d. We can find the possible intersections of planes in this form by writing them as systems of linear equations and using reduction to solve them. If d = 0 in each equation, then we have a homogeneous system with either a unique solution or infinitely many solutions.Determine whether the intersection of the planes: 
has a unique solution or infinitely many solutions; then solve the system.
What will be an ideal response?
Graph the system of inequalities. Shade the region that represents the solution set.y? - x2 + 8x - y< 1
A. 
B. 
C. 
D. 