Question

When graphing the function mc025-1.jpg on your graphing calculator, what is the most appropriate viewing window for determining the domain and range of the function?
Xmin: –10, Xmax: 10
Ymin: –10, Ymax: 10
Xmin: –20, Xmax: 20
Ymin: –20, Ymax: 20
Xmin: –5, Xmax: 5
Ymin: –20, Ymax: 20
Xmin: –10, Xmax: 10
Ymin: –5, Ymax: 5

Answer 1

I can’t see mc025-1.jpg — could you either upload the image or type the function here? I’ll pick the best window once I can see the graph.

If you want to choose a window yourself, here’s a quick how-to:
- Look for where the graph has important features (end behavior, intercepts, peaks/valleys, vertical asymptotes or holes).
- Make Xmin and Xmax wide enough to show the entire visible behavior (usually try −10 to 10 first).
- Make Ymin and Ymax large enough so the top and bottom of the graph aren’t cut off. If the y-values are small (± a few units) use −5 to 5; if larger, use −10 to 10 or −20 to 20.
- If you see values off-screen, increase the corresponding axis range and re-graph.

If you upload the image or paste the function, I’ll choose the single most appropriate window from the list you gave.