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Y=2(3^x)1 domain, range? 
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#1
Dec704, 11:18 PM

P: 587

I was given the equation y=2(3^x)1 and told to state the domain, range, x and y intercepts and asymptotes.
I graphed the eqn and got the xintercept to =0.63 and the yintercept=1 the vertical asymptote is the same as xintercept so =0.63 and the horizontal asymptote always equals 0. If these values are right, then I need to find out the domain and range, but I dont know how. Can someone please help me? 


#2
Dec704, 11:29 PM

Sci Advisor
HW Helper
P: 11,895

Me again,...This time i say to review calculations. Hints:1)Do u agree with me that the domain in the entire real axis and the range the open interval (1,+infinity)?? 2)Use the correct definitions of veritical/horizontal asymptotes. 3) Solve the equations for the intersections correctly. PS I assumed that your initial function was [itex] y=2\cdot 3^{x} 1 [/itex]. 


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