Find the zero of f(x).f(x) = 9x
A. 0
B. -9
C. does not exist
D. 9
Answer: A
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Decide if an Euler circuit exists for the graph.
A. Yes B. No
Express the product as a sum containing only sines or cosines.sin(5?) cos(6?)
A. 
[sin(11?) - sin ?]
B. sin cos(30?2)
C. 
[cos(11?) + sin ?]
D. 
[cos(11?) - cos ?]
Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a60 when a1 = 9, d = -4.
A. -227 B. 245 C. -231 D. 249
Solve.If a rock falls from a height of 100 meters above the ground, the height H (in meters) after x seconds can be approximated using the formula H = 100 - 4.9x2. What is the height of the rock after 3 seconds?
A. 85.3 m B. -116.09 m C. 855.9 m D. 55.9 m