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Mathematics
Mathematics
Problem
Explain how you can decide, by looking at its graph, whether an exponential function
y
=
a
x
y=a^x
y
=
a
x
has base (i)
a
>
1
a>1
a
>
1
or (ii)
0
<
a
<
1
0<a<1
0
<
a
<
1
.
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