**Problem : **
Simplify the following expression:
3^{(}
*x* + 2)
.

**Problem : **
What is y-intercept of the graph of the
function
*b*×*a*
^{x}
?

**Problem : **
For what values of
*x*
is the function
*f* (*x*) = 2×2^{x}
less than
1
?

**Problem : **
Where do the graphs of
*y* = *a*
^{x}
*andy* = *a*
^{-x}
intersect?

**Problem : **
Does the function
*f* (*x*) = ()^{x}
increase or decrease as
*x*
increases
or decreases? How about the function
*f* (*x*) = 3^{x}
?

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