-2
votes
1answer
56 views

Plot various functions in different intervals [closed]

I need to do some really easy in WolfarmAlpha online. I want to to plot 2x for {1 to 3} and ...
2
votes
2answers
445 views

How to plot function over interval returned by Reduce[]

Let $f(x) = (x^2 + 1) / x$. I need to plot the function for the values of $x$ in which the square of the function is larger than 4, and its cube is smaller than 64. So I used ...