Perform the indicated operations and simplify.
? 
÷ 
A. 
B. 
C. 
D. 
Answer: C
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Find an equation of the line that has the given slope and contains the given point. If possible, write your equation in slope-intercept form.m = 0; (3, 6)
A. x = 3 B. x = 6 C. y = 6 D. y = 3
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 1; local maximum at x = -1; concave down on (-?, ?) B. Local minimum at x = 1; local maximum at x = -1; concave down on (0, ?); concave up on (-?, 0) C. Local minimum at x = 1; local maximum at x = -1; concave up on (0, ?); concave down on (-?, 0) D. Local minimum at x = 1; local maximum at x = -1; concave up on (-?, ?)
Find  figures 4.png)
(t) for the function given.
r(t) = 4i + sintj + costk
Solve. x - z = -73x - y = -1 x + y + z = 18
A. (-1, -2, 6) B. (1, 9, 8) C. (3, 5, 10) D. (2, 7, 9)