Asked by Mitch n' Joey

Graph y=5^x and y=log_5 x on a sheet of paper using the same set of axes. Use the graph to describe the domain and range of each function. Then identify the y-intercept of each function and any asymptotes of each function.
So far I have:
Y=5^x :
D: ??
R: y>0
Y-intercept: 1
Asymptotes: y=0
__________________________________
Y=log_5 x :
D:??
R:??
Y-intercept: none
Asymptotes: x=0


can anyone tell me if this is correct? Or help me find out how to do the other parts that I was not able to find out? Thank you so much!!
Answered by Steve
the domain of all exponentials is (-∞,∞)
and the range is (0,∞)

For logs, they are reversed, since it is the inverse function.

exponentials all pass through (0,1)
logs all pass through (1,0)

your asymptotes are also correct.
Answered by Mitch n' Joey
So for the first one:
Domain: (-∞,∞)
Range: (0,∞)
Y-intercept: 1

and for the second one:
Domain: (∞,-∞)
Range: (∞,0)
Y-intercept: -1

this is what I understood from your response?
Answered by Steve
No, for logs, you have
Domain: (0,∞)
Range: (-∞,∞)
x-intercept: 1

Take a look at the graphs, fer pete's sake!
Answered by Pete
yeah! for my sake!
Answered by Carl
why not my sake? >:(
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