Answers edited by Ori Kiko
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Question #1427c

Which quadrants and axes does #f(x)=xsqrt(x+5)# pass through?

Is #f(x) =sqrt((x12)(x+3))x^2# concave or convex at #x=6#?

How many moles of gas are in a 4.5 meter cylinder at 105K with a pressure of 2.0atm?

How do you solve #\frac { 18} { x  2}  \frac { 4} { x  1} = \frac { 4} { x ^ { 2}  3x + 2}#?