You are given a table showing input and output values for a given function y1 = f(x). Use the table to answer the question.What is the x-intercept of the graph of y = f(x)?
A. 0
B. -1
C. 6
D. -2
Answer: C
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Find all the second order partial derivatives of the given function.f(x, y) = xy2 + yex2 + 5
A. 
= 2yex2(1 + 2x2); 
= 2x; 
= 
= 2y + 2xex2
B. 
= 2yex2; 
= 2x; 
= 
= 2y + 2xex2
C. 
= yex2(1 + 2x2); 
= x; 
= 
= y + xex2
D. 
= 2yex2; 
= 2x; 
= 
= 2xex2
Solve the problem.Suppose that c(x) = 3x3 - 20x2 + 5675x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.
A. 5675 items B. -69 items C. There is not a production level that will minimize average cost. D. 82 items
Find the value of P(x).Find P(-3) where P(x) = 7x2 - 2x.
A. 69 B. 58 C. -15 D. 63
Determine the symmetries of the curve.r = 6 cos 5?
A. x-axis, y-axis, origin B. Origin only C. x-axis only D. y-axis only