Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. -x - 7
B. -x + 7
C. x - 7
D. cannot be simplified
Answer: A
Mathematics
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Find the circumference of the circle. Use ? ? 3.14 and round to the nearest hundredth.radius = 47 ft
A. 295.16 ft B. 6,936.26 ft C. 73.79 ft D. 147.58 ft
Mathematics
Graph the function and estimate.Graph the function based on the table of values. Assume that the domain and range are all real numbers. After you have finished the graph, estimate the value of f(x) when x = 2.
A. 
f(2) = -1
B. 
f(2) = -5
C. 
f(2) = 4
D. 
f(2) = 1
Mathematics
Solve the inequality by the test-point method. Write the solution in interval notation.x2 + 6x + 5 > 0
A. (-?, -5) B. (-5, -1) C. (-?, -5) ? (-1, ?) D. (-1, ?)
Mathematics
Simplify the rational expression.
A. 
B. 
C. 
D. 
Mathematics