Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = xe-7x
What will be an ideal response?
Domain = (-?, ?)
Increasing on 
, decreasing on 
Maximum at 
Concave down on 
, concave up on 
Point of inflection at 
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Use Newton's method to estimate the requested solution of the equation. Start with given value of x0 and then give x2 as the estimated solution.x4 - 6x + 3 = 0; x0 = 2; Find the right-hand solution.
A. 1.607 B. 1.604 C. 1.600 D. 1.602
Add or subtract as indicated.(x3y2 + 2x2y3 + 2xy - 3) + (x2y3 - 7x3y2 + 2xy - 5)
A. -8x3y2 + 3x2y3 + 4xy - 8 B. -6x3y2 + 3x2y3 + 2xy - 8 C. -6x3y2 + 3x2y3 + 4xy - 8 D. 2x3y2 - 5x2y3 + 4xy - 8
Solve the problem.A bag contains 7 apples and 5 oranges. If you select 6 pieces of fruit without looking, how many ways can you get 6 apples?
A. 12 B. 7 C. 35 D. 14