Without graphing, find the vertex.f(x) = (x + 3)2 + 3
A. (-3, -3)
B. (0, 3)
C. (3, 0)
D. (-3, 3)
Answer: D
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Solve.Holly bought a sweater on sale for 20% off the original price. If she saved $40, what was the original price?
A. $200.00 B. $800.00 C. $8.00 D. $160.00
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
A. 
B. 
C. 
D. 
Use Gaussian elimination and matrices to solve the system of linear equations. Write your final augmented matrix in triangular form and then solve for each variable using back substitution. 9x - y + 5z=106 2x - 6z=-26 8y + z= 15
A. (8, 1, 7) B. (-8, 16, 1) C. (8, 7, 1) D. (-8, 1, 16)
Find the requested solution.Let f(x) = 
. Find all x for which f(x) ? -3.
A. ?, or (-?, ?)
B. 
, or 
C. ?
D. 
, or 
? 