Which of the following is a factor of the expression 
?
??
A. 
B. 
C. 
D. 
Answer: A
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Find the domain and range of the function.F(t) = 
A. D: (-?,?), R: (-?,?) B. D: (-?,0), R: (-?,0) C. D: [0,?), R: (-?,?) D. D: (0,?), R: (0,?)
Solve the problem.When water runs out of a hole in a cylindrical container, the height of the water in the container can often be modeled by a quadratic function. Assume that the height of the water in a particular metal can with a small hole can be modeled by 
where x is the time (sec) and h is the height (cm). Use the quadratic formula to estimate the time when the height is 5 cm. Round your answer to the nearest second.
A. 24 sec B. 31 sec C. 30 sec D. 28 sec
Given 
, find ?f / ?y
What will be an ideal response?
Use the graph to complete the identity.
= ? 
A. cot 2x B. tan 4x + tan 8x C. -cot 2x D. tan 6x