Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 6x
A. (-3, 9); x = -3
B. (-9, 3); x = -9
C. (3, -9); x = 3
D. (9, -3); x = 9
Answer: C
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Find the inverse of the matrix, if possible.
A. No inverse
B. 
C. 
D. 
Sketch the graph of the function and determine whether it has any absolute extreme values on its domain.y = 7 cos x, 0 < x < 2? 
A. absolute maximum at x = 0 and x = 2?;
absolute minimum at x = ?
B. absolute maximum at x = 0;
absolute minimum at x = ?
C. no absolute maximum;
no absolute minimum
D. no absolute maximum;
absolute minimum at x = ?
Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the x-axis and the curve y = x cos x, 0 ? x ? ?/2 about the y-axis.
A. 
- 8?
B. 
- 4?
C. 
+ 2?2 - 4?
D. 
- 4?
Use the compound interest formula to compute the future value of the investment. Round to the nearest cent.$18,000 at 3% compounded semiannually for 10 years
A. $24,243.39 B. $23,400.00 C. $24,190.49 D. $20,889.73