Write the augmented matrix for the system.7x + 8y = 104x + 7y = 13
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use a graphing device to find the maximum and minimum values of the function y = cos x -(cos2x)/ 2.
What will be an ideal response?
Mathematics
Graph the system of linear inequalities and indicate the solution set.4x + y ? 3x - y ? 3 
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."x4 + 4x3 + 2x2 + 8x
A. (x2 - 2)(x2 + 4x) B. x(x + 4)(x2 + 2) C. x(x2 + 2)(x - 4) D. Prime
Mathematics
Use transformations to graph the function.Use the graph of log4x to obtain the graph of f(x) = - 
log4x.
A. 
B. 
C. 
D. 
Mathematics