Perform the indicated operations. Write the resulting polynomial in standard form.2(-4x3 + x2 - 1) - 7(2x3 + 4x + 2)
A. -22x3 + 2x2 - 28x + 16
B. -22x3 + 2x2 + 28x - 16
C. -22x3 + 2x2 - 28x - 16
D. -22x3 + x2 - 28x - 16
Answer: C
Mathematics
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A. y = 
+ 3
B. y = 
C. y = 
+ 1
D. y = 
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Solve the equation.36 - 3x = 
A. {-3}
B. {3}
C. {9}
D. 
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Find the indicated matrix.Let A = 
, B = 
, and C = 
. Find C(A - B).
A. 
B. 
C. 
D. 
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The graph of a function f is given. Use the graph to answer the question.Is f(20) positive or negative?
A. positive B. negative
Mathematics