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Mathematics
Mathematics
Problem
Describe the end behaviour of the exponential function
y
=
2
x
y=2^{x}
y
=
2
x
: (i) as
x
→
−
∞
x \to -\infty
x
→
−
∞
, and (ii) as
x
→
+
∞
x \to +\infty
x
→
+
∞
.
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