Perform the operation indicated. Simplify.
- 
A. 
B. 
C. 4
D. 1
Answer: C
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Answer the question.Which of the following statements is false?
A. The series 
must have no negative terms in order for the Direct Comparison test to be applicable.
B. The sequences {an} and {bn} must be positive for all n to apply the Limit Comparison Test.
C. If {an} and {bn} meet the conditions of the Limit Comparison test, then, if 
=0 and 
converges, then 
converges.
D. All of these are true.
Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.5x + 2y + 4z = -10 and 6x + 5y + 9z = 9
A. 1.256 rad B. 0.315 rad C. 1.433 rad D. 1.370 rad
Find the linear approximating polynomial for the function centered at a.f(x) = x + 
, a = 4
A. p1(x) = 
x + 
B. p1(x) = 
x + 
C. p1(x) = 
x + 
D. p1(x) = 
x + 
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = x4 - 5x3 + 3x2 + 9x - 3; (-5, 5)
A. local minimum at (-0.61, -5.64) local maximum at (1.41, 6.12) local minimum at (3, -3) B. local minimum at (-0.57, -6.12) local maximum at (1.32, 5.64) local minimum at (3, -3) C. local minimum at (-1, -6) local maximum at (1, 6) local minimum at (3, -3) D. local minimum at (-3, -3) local maximum at (-1.32, 5.64) local minimum at (0.57, -6.12)