Decide whether the graph of the equation opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
(or 
).f(x) = 
x2 - 8x - 8
A. Down; narrower
B. Up; narrower
C. Up; wider
D. Down; wider
Answer: C
Mathematics
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Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.cot 
A. 
B. -
C. 
D. - 
Mathematics
Use the Pythagorean theorem to find the length of the unknown side of the right triangle. Express your answer as a simplified radical.
A. 36
B. 6
C. 6
D. 36
Mathematics
Decide whether the statement is true or false.The y-intercepts of the ellipse with equation 
are 
and 
A. True B. False
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = 
, 
< ? < ?Find cos(2?).
A. - 
B. 
C. 
D. - 
Mathematics