Graph the curve whose parametric equations are given.x = 
, y = 4t + 3; 0 ? t ? 4 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cos(x), -2? ? x ? 2?, x = 
A. 
B. 
C. 
D. 
Mathematics
Find the root. Assume that variables represent nonnegative values.
A. 3a
B. 81a
C. 3
D. 3a2
Mathematics
Simplify the complex fraction. 
A. 
B. 9(x + 5)(x - 8)
C. 
D. 
Mathematics
Solve the problem.As part of her fitness training, Alice plans to cycle 27 miles today. So far, she has cycled 24 miles. What fraction of the total miles for the day is represented by 24 miles? Write your answer in lowest terms.
A. 
B. 
C. 
D. 
Mathematics