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yaroslaw [1]
3 years ago
6

PLEASE HELP ASAP

Mathematics
2 answers:
inysia [295]3 years ago
7 0
If 2^y = 3, then:

(log to the base 2 of) 2^y = (log to the base 2 of) 3
                  or
                                      y = log to the base 2 of 3

Note that y turns out to be a constant here.
We need to identify the graph that depicts (log to the base 2) of x, and once we have that, draw a vertical line thru x = 3 to estimate y.

Only the 3rd graph qualifies here.  Note that all basic log graphs have an x-intercept of (1,0), as the 3rd graph does.

If we draw on the 3rd graph a vertical line thru x=3, we see that this vert. line intersects the curve at roughly y=1.5. 


alexgriva [62]3 years ago
4 0
2^y = x
ln 2^y = ln x
y = ln x / ln 2

when y = 0 x = 1

The answer is the third graph
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