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Question: Wanted to graph 3 functions in 1 coordinate system, but only 2 were shown? Please help!

Question:Wanted to graph 3 functions in 1 coordinate system, but only 2 were shown? Please help!

ravenHound 25 Maple
plot plotting
April 28 2018
0

I wanted to have 3 graphs in 1 coordinate system. The Maple command I used was,

restart;
g := x -> (10*x)/(3+x);

f := x -> (10*x)/(5+x);

h := x -> (8*x)/(5+x);

plots:-display(
  plot( [g(x),f(x), h(x)], x=0..30, color=[red,blue, green], legend = ["k=3,c=10", "k=5, c=10","k=5,c=8"]));


Warning, unable to evaluate 1 of the 3 functions to numeric values in the region; see the plotting command's help page to ensure the calling sequence is correct

 

The error comes up. only f(x) and h(x) were shown. How do I fix this? Thank you.

 
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