Graph the solution of the system.y ? 3x - 3x ? -2y + 4
A. 
B. 
C. 
D. 
Answer: C
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 3, [0, 2?], right-hand endpoint
A. 
B. 
C. 
D. 
Solve.The sales for a gaming console for various years are listed in the table below. 
Let s represent the sales (in billions of dollars) at t years since 1995. A reasonable model is 
Use the model to predict sales in 2011.
A. $7.16 billion B. $6.41 billion C. $7.71 billion D. $5.85 billion
Using a calculator, evaluate to four decimal places.ln 2,800,000
A. 6.4472 B. 14.8451 C. 0.0672 D. 3.3322
Combine like terms.12 - 10.9x - 12.6x + 11.1
A. -23.5x + 0.9 B. -0.4x C. -23.5x + 23.1 D. -24.5x + 23.1