Simplify.
A. 5x6y10
B. 5x6y2c
C. -5x2by10
D. 5x2by2c
Answer: A
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Shade the Venn diagram to represent the set.(A ? B) ? (A ? B)'
A. 
B. 
Graph the function, then find the extreme values of the function on the interval and indicate where they occur.y = 
- 
on the interval -? < x < ?
A. 
Absolute maximum is: 6, on the interval [6, ?); absolute minimum is: -6 on the interval (-?,1]
B. 
Absolute maximum is: 7, on the interval [6, ?); absolute minimum is: -7 on the interval (-?, 1]
C. 
Absolute maximum is: 8, on the interval [6, ?); absolute minimum is: -8 on the interval (-?,1]
D. 
Absolute maximum is: 7, on the interval [7, ?); absolute minimum is: -7 on the interval (-?,0]
Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 1.9 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
.
A. (S ? d)(t) = 1.05t B. (S ? d)(t) = 1.43t C. (S ? d)(t) = 1.81t D. (S ? d)(t) = 3.21t
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. -8n B. 8n C. -2n D. 6n