Compute the gradient of the function at the given point.
A. - 
i - 
j
B. - 
i + 
j
C. - 
i + 
j
D. - 
i - 
j
Answer: A
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Solve the problem.Amarillo Motors manufactures an economy car called the Citrus, which is notorious for its inability to hold a respectable resale value. The average resale value of a set of 1998 Amarillo Citrus's is summarized in the table below along with the age of the car at the time of resale and the number of cars included in the average. Fit a line of the form ln(V) = m?a + b to the data, where V is the resale value in thousands of dollars and a is the age of the car in years.. 
A. ln(V) = 0.299a - 2.951 B. ln(V) = 0.315a C. ln(V) = 0.314a - 2.986 D. ln(V) = -0.303a + 2.953
Solve the problem.A graph has six vertices-two vertices of degree 4, two vertices of degree 3, and two vertices of degree 2. The number of edges in the graph is
A. 5. B. 8. C. 9. D. 6. E. none of these
Solve the equation.1255x - 2 = 255x
A. 
B. 
C. 
D. 
Find the probability of the event.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a red card.
A. 
B. 
C. 2
D. 