Write the Hindu-Arabic numeral that the given Roman numeral represents.XCI
A. 111
B. 91
C. 191
D. 81
Answer: B
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Estimate the error in the quadratic approximation of the given function at the origin over the given region.
A. |E(x, y)| ? 0.4122 B. |E(x, y)| ? 0.2748 C. |E(x, y)| ? 0.2061 D. |E(x, y)| ? 0.8244
Find the extreme values of the function subject to the given constraint.
A. Maximum: 6 at 
minimum: -3 at 
B. Maximum: 6 at 
minimum: 3 at 
C. Maximum: 11 at (6, 3, 2), (6, 2, 3), (3, 2, 6), (3, 6, 2), (2, 3, 6), (2, 6, 3); minimum: 1 at 
D. Maximum: 9 at 
minimum: 3 at 
Solve the problem.A projectile is fired from a cliff 500 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 270 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. How far from the base of the cliff is the height of the projectile a maximum?
A. 2208.59 ft B. 1069.53 ft C. 1139.06 ft D. 569.53 ft
Find the function.Find the function that is finally graphed after the following transformations are applied to the graph of 
The graph is shifted down 2 units, reflected about the x-axis, and finally shifted left 4 units.
A. y = -
- 2
B. y = -
+ 2
C. y = 
- 2
D. y = -
+ 2