Collect like terms and write in descending order.7x7 + 3x7 - 8x7
A. -168x7
B. 2x21
C. Can't be simplified
D. 2x7
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 = sin 4t, y = cos t, 0 ? t ? 2?
A. L = 2?
B. L = 16.87
C. L = 16.87
D. L = 12.89
Mathematics
Find the linear approximating polynomial for the function centered at a.f(x) = 
, a = 27
A. L(x) = 
x + 1
B. L(x) = 
x + 1
C. L(x) = 
x + 2
D. L(x) = 
x + 6
Mathematics
Using Green's Theorem, find the outward flux of F across the closed curve C.F = xyi + xj; C is the triangle with vertices at (0, 0), (4, 0), and (0, 2)
A. 
B. 
C. - 
D. 0
Mathematics
Find the derivative.y = x7/8
A. 
x1/8
B. 
x-7/8
C. 
x-1/8
D. 
x1/7
Mathematics