Find the derivative.x8 - 2x7 - 4x3 + x
A. 8x7 - 14x6 - 12x2 + 1
B. x7 - 2x6 - 4x2 + 1
C. 8x9 - 14x8 - 12x4
D. 8x8 - 14x7 - 12x3 + x
Answer: A
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Solve the problem.A computer manufacturer has three outlet stores that sell its four computer systems. The following table shows the numbers of systems sold by the three stores in July.
The prices of the systems are: $1200 for System 1, $1500 for System 2, $1600 for System 3, and $1700 for System 4. Write the information from the table as a 4 x 3 matrix B. Write a row matrix A for which the entries represent the prices for the systems. If 
find c12. What does this entry of C represent?
A. c12 = 151,000. c12 represents the total sales at Store 1 in July. B. c12 = 173,000. c12 represents the total sales at Store 2 in July. C. c12 = 161,000. c12 represents the total sales at Store 3 in July. D. c12 = 141,000. c12 represents the sales of System 2 at all stores in July.
The graph of the function y = f(x) is given. On the same axes, sketch the graph of f-1(x). Use a dashed line for the inverse function.
A. 
B. 
C. 
D. 
Find an equation of the line satisfying the following conditions.If possible, write the equation in slope-intercept form. y-intercept -29, x-intercept 25
A. y = 
x - 29
B. y = - 
x - 29
C. y = 
x - 29
D. y = 
x + 29
Solve the equation.
= 
A. {0, -6} B. {0, 36} C. {2, -6} D. ?