Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 1.6 pretzels
B. 490 pretzels
C. 400 pretzels
D. 800 pretzels
Answer: C
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = -x(1 - y), y(3) = 3, dx = 0.2
A. y1 = 0.9000, y2 = 3.1240, y3 = 4.9083 B. y1 = 4.2000, y2 = 6.2480, y3 = 9.8166 C. y1 = 3.6000, y2 = 12.4960, y3 = 19.6333 D. y1 = 9.0000, y2 = 62.4800, y3 = 98.1664
Find the slope-intercept form for the line satisfying the conditions.Slope - 
, passing through (4, 4)
A. y = - 
x - 
B. y = - 
x + 
C. y = - 
x + 
D. y = - 
x - 
Multiply or divide and simplify your answer.3 ? 8
A. 24
B. 25
C. 25
D. 11
Find the vertex of the parabola and determine if it is a maximum or minimum. y = 6x2 + 3
A. (0, - 3); minimum B. (0, 3); maximum C. (0, 3); minimum D. (0, - 3); maximum