Write the equation of a sine or cosine function that describes the path of the given curve.
A. y = 3 sin x
B. y = 3 sin (3x)
C. y = 3 sin (6x)
D. y = sin (3x)
Answer: B
Mathematics
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Evaluate the expression using the given values.
x = 4, y = 9
A. 87 B. -39 C. -87 D. 39
Mathematics
Evaluate the expression by hand.
-1/2 + 
-3/2
A. - 
B. 9
C. - 
D. 69
Mathematics
Solve the formula for the specified variable.P = 2L + 2W for W
A. W = 
B. W = P - 2L
C. W = P - L
D. W = 
Mathematics
Perform the indicated operation and express the answer in simplest form.
A. 4 
+ 19 
+ 5 
B. 4 
- 5 
C. 4 
- 19 
+ 5 
D. 4 
+ 19 
- 5 
Mathematics