Rewrite the inequality using interval notation. Then graph the inequality.-2 ? x ? 2
A. (-2, 2]
B. (-2, 2)
C. [-2, 2)
D. [-2, 2]
Answer: D
Mathematics
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Perform the indicated operation.
÷ 
A. - 
B. -
C. - 
D. - 
Mathematics
Sketch the plane curve represented by the given parametric equations. Then use interval notation to give the relation's domain and range.x = 3t, y = t2 + t + 3
A. Domain: (-?, ?); Range: 
, ?)
B. Domain: (-?, ?); Range: [2.75, ?)
C. Domain: (-?, ?); Range: [2.75, ?)
D. Domain: (-?, ?); Range: [3, ?)
Mathematics
Evaluate.Find (f + g)(-1) when f(x) = x + 5 and g(x) = x + 2.
A. -9 B. 1 C. 5 D. -5
Mathematics
Solve the problem.Suppose a cost-benefit model is given by y = 
, where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 40% to the nearest dollar.
A. $1867 B. $2800 C. $1120 D. $666
Mathematics