Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval, and indicate the x-values at which they occur.f(x) = 9 + 2x - x2; [0, 3]
A. Absolute maximum = 10 at x = 1; absolute minimum = 9 at x = 0
B. Absolute maximum = 8 at x = 2; absolute minimum = 6 at x = 0
C. Absolute maximum = 10 at x = 1; absolute minimum = 6 at x = 3
D. Absolute maximum = 11 at x = 1; absolute minimum = 6 at x = 3
Answer: C
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Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.h(t) = 
A. rational function; (-?, 4) ? (4, ?) B. rational function; (-?, ?) C. rational function; (-?, -3) ? (-3, 0) ? (0, 3) ? (3, ?) D. rational function; (-?, 0) ? (0, ?)
Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.6x2 + 5y2 + 20y - 10 = 0
A. C(0, -2); V(±
, -2); 
+ 
= 1
B. C(0, -2); V(0, -2 ± 
); 
+ 
= 1
C. C(-2, 0); V(±2, 
); 
+ 
= 1
D. C(-2, 0); V(-2, ±
); 
+ 
= 1
Solve the inequality. Express your answer using interval notation. Graph the solution set.|x| < -3
A. (-?, -3]
B. (-3, 3)
C. (-?, -3) ? (3, ?)
D. ?
Solve the system of equations by Gauss-Jordan elimination.
A. {(-1, -4, -2)} B. {(-4, -2, -1)} C. {(-1, -2, -4)} D. ?