Let #f (x) = x / (x^2+1)#, how do you use the first derivative test to determine which critical numbers, if any give relative extrema?

1 Answer Alan P. May 27, 2015 #y=6abs (x-7)# When #x<7# #y = 6 (7-x) = 42-6x# which is the equation of a straight line terminating at # (7,0)# When #x>=7# #y=6 (x-7) = 6x-42# which is …

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The formula to find the mid-point of a line segment give the two end points is: M = (x1 + x2 2, y1 +y2 2) Where M is the midpoint and the given points are: x1 y1 and x2 y2 Substituting the …

F + H -> HF First find the products, this reaction is double replacement: KF + HCl -> color(red)(KCl + HF) Make sure they're balanced. Since they already are, we can continue to …

Find the median from following data? There are 12 data-points between 10 and 19; 19 data-points between 20 and 29; 31 data-points between 30 and 39; 27 data-points between 40 and 49; 16 …

1300 cm There are 100 cm in a meter so to find the number of cm multiple by the ratio 13 m x 100cm/m = 1300 cm See this, Set up a staircase. 1 meter 1 dm 1 cm 1 mm To go from meters …

Assuming you are to find the intersection point or common solution to the equations. x=1, y=4 4x+2y=12------eqn.1 3x+y=7---------eqn.2 Rearranging equation 2 3x+y=7 y=7-3x--------eqn.3 …

What happens when there is a temperature difference between two objects? At what temperatures Fahrenheit and Celsius does water boil? What is absolute zero on the …