Solve the problem.Find the derivative of the function    at the point    in the direction in which the function increases most rapidly.

A.
B.
C.
D.


Answer: D

Mathematics

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Simplify.

A.
B. - 
C.
D. - 

Mathematics

Write the equation of the line using the information given about its graph.Rate of change 9, y = -  when x = 0

A. y = - x + 9
B. y = 9x + 
C. y = 9x - 
D. y = - x - 9

Mathematics

The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a relative maximum. What are the relative maxima?

A. f has a relative maximum at x = 3; the relative maximum is 1 B. f has a relative maximum at x = 0; the relative maximum is 1 C. f has a relative maximum at x = -3 and 3; the relative maximum is 0 D. f has no relative maximum

Mathematics

Evaluate the determinant.

A. -13 B. 40 C. 27 D. -812

Mathematics