Write the percent as a fraction or mixed number in lowest terms.214
%
A. 4
B. 1
C. 21
D. 2
Answer: D
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f
= 
, saddle point
B. f
= 
, local minimum; f
= 
, local minimum
C. f
= 
, saddle point; f
= 
, saddle point
D. f
= - 
, local maximum
Solve the problem.From a thin piece of cardboard 20 in. by 20 in., square corners are cut out so that the sides can be folded up to make a box. What dimensions will yield a box of maximum volume? What is the maximum volume? Round to the nearest tenth, if necessary.
A. 10 in. × 10 in. × 5 in.; 500 in3 B. 13.3 in. × 13.3 in. × 3.3 in.; 592.6 in3 C. 13.3 in. × 13.3 in. × 6.7 in.; 1185.2 in3 D. 6.7 in. × 6.7 in. × 6.7 in.; 296.3 in3
Factor completely. If the polynomial is prime, say so.2x2 - 16x + 30
A. 2(x - 3)(x - 5) B. (2x - 6)(x - 5) C. 2(x - 15)(x + 1) D. Prime
Solve.A nuclear cooling tower cross section is a hyperbola having a diameter of 54 ft at the center. The distance between the two foci is 96 ft. What is the equation for the hyperbola?
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 5