How should my graph look? Confused with this problem? (exponentials/graphing)

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Jan 2015
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hawaii
Okay I have no idea how to solve this. Heres the problem:

1. Plot an accurate graph of function f if the domain is -5 < x < 5. Function is f (x) = 1.7^x
2. Calculate f (3.721) Show that this point is on the graph.
3. From your graph, approximately what is the value of x if f (x) = 4?
4. Evaluate f (x) for the value of x you found in part 3. This value should be close to, but not quite equal to 4.
5. Get a five significant digit approximation for the value of x in part (c). You may try short cuts in the iteration process.
6. Find a five significant digit approximation for the value of x that makes f (x) = 0.5

if someone could draw a graph/use desmos.com to plot it, that would be awesome... thanks for your help!
 
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