Find the angle between the vectors u and v.
A) 175°
B) 40°
C) 105°
D) 75°
E) 165°
E) 165°
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The following table shows the money M left in your cookie jar after w withdrawals from the jar. Find a linear model for M in terms of W. Round your answer to two decimal places, if necessary. x 3 4 5 6 ?y 132 117 102 87?
A. 
B. ?
C. ?
D. ?
Given f (x, y) = cos (e2x+ y ), find f (2, -3)
What will be an ideal response?
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 2 sin ? 
A. 
(x + 1)2 + y2 = 1; circle, radius 1,
center at (-1, 0) in rectangular coordinates
B. 
x2 + (y + 1)2 = 1; circle, radius 1,
center at (0, -1) in rectangular coordinates
C. 
(x - 1)2 + y2 = 1; circle, radius 1,
center at (1, 0) in rectangular coordinates
D. 
x2 + (y - 1)2 = 1; circle, radius 1,
center at (0, 1) in rectangular coordinates
Determine whether f is continuous at c.f(x) = 2x4 - 4x3 + x - 9;c = 0
A. not continuous B. continuous