State the period of the function and graph.cos 
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
Answer: B
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Find the simplified form for f(x) and list all restrictions on the domain.f(x) = 
- 
- 
A. f(x) = 
, x ? -8, x ? 1, x ? 6
B. f(x) = 
, x ? -8, x ? -1, x ? 1, x ? 6
C. f(x) = 
, x ? -8, x ? -1, x ? 1, x ? 6
D. f(x) = 
, x ? -8, x ? 6
Solve.The weight of a liquid is directly proportional to its volume V. If the weight of the liquid in a cubical container with side length 3 cm is 81 g, find the weight of the liquid in a cubical container 5 cm on a side.
A. 15 g B. 110 g C. 125 g D. 375 g
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.tan 22°
A. 0.01 B. -0.13 C. 0.54 D. 0.40
Establish the identity.ln 
= ln 
- ln 
What will be an ideal response?