greubel80
greubel80 greubel80
  • 02-04-2019
  • Mathematics
contestada

which is the graph of f(x)=2(3)^x

which is the graph of fx23x class=

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altavistard
altavistard altavistard
  • 29-07-2019

Answer:

First graph

Step-by-step explanation:

Start by determining the y-intercept.  Letting x = 0 yields f(0) = 2(1) = 2.  This exponential graph must pass through (2, 0).  This eliminates both the second and the fourth answer choices.

Looking at the first graph, we see that (1, 6) is on the graph.  Does this agree with f(x) = 2(3)^x evaluated at x = 1?  Is f(1) = 2(3)^1 = 6?  YES.  So the first graph is the correct one for f(x) = 2(3)^x.

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