Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = x2 + 2x + 7
A. D: all real numbers; R: (y ? 7)
B. D: (x ? 1), R: (y ? 7)
C. D: all real numbers; R: (y ? 6)
D. D: all real numbers; R: (y ? 6)
Answer: D
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Find the flux of the curl of field F through the shell S.F = x4i + 7xj + 5k; S is the upper hemisphere of x2 + y2 + z2 = 4
A. 28? B. ? C. 4? D. 4
Find the perimeter of the figure.The local park district acquired lands to be used for a new dog park. How many miles of fencing are needed to enclose the dog park?
A. 400 mi B. 380 mi C. 310 mi D. 456 mi
Use a 3D grapher to graph
Sketch the graph.
Solve the problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give 
when 
and 
What is the volume on this device when the temperature is 
and the pressure is 
style="vertical-align: -4.0px;" /> A. V = 67.2 in3 B. V = 5.6 in3 C. V = 47.2 in3 D. V = 87.2 in3