Find an equation for the graph.
A. y = 5 cos 
B. y = 2 cos (5?x)
C. y = 5 cos (2?x)
D. y = 2 cos 
Answer: A
Mathematics
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Evaluate the integral.
A. 
x + 
sin 4x + 
sin 8x + C
B. 
x + 
sin 4x + 
sin 8x + C
C. 
x + 
sin 2x + 
sin 4x + C
D. 
x + 
sin 2x + 
sin 8x + C
Mathematics
Convert the quantity to the desired unit.How many days are in 6 weeks?
A. 84 B. 144 C. 42 D. 360
Mathematics
Factor:
Mathematics
Solve the equation.
?
?
A. 7, -7, 0 B. 49, -49, 0 C. 7, -7, 1 D. 0 E. 7
Mathematics