Multiply. Simplify, if possible.6 ? (-7) ? (-10)
A. -420
B. -32
C. 420
D. -11
Answer: C
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = x4 - 5x3 + 12x2 + x - 21
A. 
B. 
C. 
D. 
Simplify.
+ 9
+ 2
A. 44
B. -18
C. -44
D. 12
We have encoded a message by assigning the numbers 1 - 26 to the letters a - z of the alphabet, respectively, and assigning 27 to a blank space. We have further encoded it by using an encoding matrix. Decode this message by finding the inverse of the encoding matrix and multiplying it times the coded message.The encoding matrix is A = 
and the encoded message is 9, 11, 56, 9, 10, 55, 12, -3, 43, 9, 5, 30.
Fill in the blank(s) with the appropriate word(s).
Sketch the line with the given slope that passes through the indicated point.Slope = 
; line passes through the point (6, 1)
A. 
B. 
C. 
D. 