Factor completely.x2 + 2xy - 35y2
A. (x - y)(x + 5y)
B. (x - 7y)(x + 5y)
C. (x - 7y)(x + y)
D. (x + 7y)(x - 5y)
Answer: D
Mathematics
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Sketch the graph of the parametric equations. Then set up the appropriate integral to find the length of the curve and use a computer to evaluate it.x = 2t cos t, y = 2t sin t, 0 ? t ? 3?
A. L = 20?
B. L = 61.51
C. L = 92.26
D. L = 61.51
Mathematics
Find the exact function value.sin-1
A. 
B. - 
C. - 
D. - 
Mathematics
Solve the inequality. Graph the solution set and write it in interval notation.4x + 1 < 21
A. (5, ?)
B. [5, ?)
C. (-?, 5)
D. (-?, 5]
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics