Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.8 cos2 x
A. 4 + 4 cos 2x
B. 1 + cos 2x
C. 16 cos x
D. 4 - 4 cos 2x
Answer: A
Mathematics
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Graph the equation and its tangent.Graph y = x2 - 2x - 6 and the tangent to the curve at the point whose x-coordinate is -2.
A. 
B. 
C. 
D. 
Mathematics
Integrate the function.
A. - 
sec4 3x + 
tan3 3x + 
tan 3x + C
B. - 
tan4 3x + 
tan3 3x + 
tan 3x + C
C. 
sec4 3x - 
tan3 3x - 
tan 3x + C
D. 
tan4 3x - 
tan3 3x + 
tan2 3x - 
tan 3x + C
Mathematics
Provide an appropriate response. If there are 7 red marbles and 5 blue marbles in a sack, what is the probability of drawing a red marble? Explain your answer.
What will be an ideal response?
Mathematics
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 3 units downward
A. y = 
B. y = 
+ 3
C. y = 
D. y = 
- 3
Mathematics