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Graph of y=x^(1/3) and y= -2x^(1/2)

  • #1

Homework Statement



What is the procedure or hints of sketching this type of graph (i.e. y=x^(1/3) and y= -2x^(1/2) )? I know how it looks like but i had no ideas what is the proper procedure or technique of sketching them. Please help...

Homework Equations





The Attempt at a Solution



I tried but i really don't know how to do...
 

Answers and Replies

  • #2
324
0
choose some x values, for example 0,1, and -1, and then, since you know the general shape of the functions, draw an approximation of the lines.
 
  • #3
33,508
5,194
For the second one, presumably you know the shape of y = x^(1/2). Relative to this graph, the graph of -2x^(1/2) is stretched away from the x-axis by a factor of 2 and then reflected across the x-axis.
 

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