Provide an appropriate response.If the derivative of an even function f(x) is zero at x = c, can anything be said about the value of f' at 
Give reasons for your answer.
What will be an ideal response?
Yes. The value of f 'at x = -c must also be zero since even functions are symmetrical with respect to the y-axis.
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = xln x
A. 
B. 2xln x - 1ln x
C. 
2
D. xln x - 1ln x
Solve the problem.
The Montgomerys borrowed $86,000 at 7.50% for 30 years to purchase a house. Find the total interest the Montomerys will pay if they pay the loan on schedule.
A. $142,794.40 B. $135,673.60 C. $130,410.40 D. $119,884.00
Simplify.
- 
- 
- 
A. 1
B. 27
C. 
D. 
Give the center and radius of the circle. Then sketch its graph.(x + 1)2 + (y - 2)2 = 9
A. center (1, 2), r = 3
B. center (- 1, 2), r = 3
C. center (1, - 2), r = 3
D. center (- 1, - 2), r = 3