Describe the graphs of the functions f(x) = 2^x + 1 and g(x) = –2^x + 1. Compare and contrast the domain and range of f(x) and g(x).

Question

precal · Answer

are you able to graph these?

superhelp101 · Answer

yes

precal · Answer

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precal · Answer

ok this is a rough sketch of 2^x+1

precal · Answer

Domain refers to all x values that are valid for your function

superhelp101 · Answer

how would I describe the graph?

precal · Answer

Are you using all of your negative x values? 0 ? and all of your positive values?

superhelp101 · Answer

yes

precal · Answer

when this happens we say the domain is all real numbers

precal · Answer

Now range refers to the y values the function is using, can you tell me if you are using all of your positive y values, 0, and negative y values?

superhelp101 · Answer

wait I think I got it. thx though

precal · Answer

ok

superhelp101 · Answer

@aum  do you think you can continue on to what pre cal was saying. I would really appreciate it. I actually need help with the range. THx so much

aum · Answer

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