Determine whether the graph represents a function.
A. Yes
B. No
Answer: A
Mathematics
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Find the first three nonzero terms of the Maclaurin expansion of the given function.f(x) = sin(3?x)
A. 3?x - 
?3x3 + 
?5x5 - ...
B. 3x - 
x3 + 
x5 - ...
C. 3?x - 27?3x3 + 243?5x5 - ...
D. 3?x - 9?3x3 + 
?5x5 - ...
Mathematics
Factor completely.x2 + 7x - 30
A. (x - 10)(x + 1) B. prime C. (x + 10)(x - 3) D. (x - 10)(x + 3)
Mathematics
Find the mean. Round to the nearest tenth unless otherwise stated.Grocery expenses for the past six months: 
, 
, 
, 
, 
, 
style="vertical-align: -4.0px;" />.Round to the nearest cent. A. $84.97 B. $72.97 C. $70.81 D. $106.22
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics