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Example Questions
Example Question #1 : Graphing Logarithmic Functions
Give the equation of the horizontal asymptote of the graph of the equation
.
The graph of
does not have a horizontal asymptote.The graph of
does not have a horizontal asymptote.Let
In terms of
,
This is the graph of
shifted left 4 units, stretched vertically by a factor of 3, then shifted up 2 units.The graph of
does not have a horizontal asymptote; therefore, a transformation of this graph, such as that of , does not have a horizontal asymptote either.Example Question #7 : Graphing Logarithmic Functions
Find the equation of the vertical asymptote of the graph of the equation
.
Let
. In terms of ,.
The graph of
has as its vertical asymptote the line of the equation . The graph of is the result of three transformations on the graph of - a left shift of 4 units , a vertical stretch ( ), and an upward shift of 2 units ( ). Of the three transformations, only the left shift affects the position of the vertical asymptote - the asymptote of also shifts left 4 units, to .Example Question #1 : Negative Exponents
Simplify the following expression
Example Question #1 : Understanding Exponents
Simplify the following expression
Example Question #1 : Understanding Exponents
Simplify the following expression
Example Question #3 : Negative Exponents
Simplify the following expression
Example Question #2 : Understanding Exponents
Solve for
:
Raise both sides of the equation to the inverse power of
to cancel the exponent on the left hand side of the equation.
Subtract
from both sides:
Example Question #1 : Negative Exponents
Represent the fraction using only positive exponents:
Negative exponents are the reciprocal of their positive counterpart. For example:
Therefore:
This simplifies to:
Example Question #7 : Negative Exponents
Solve the equation for n:
Rewrite the right-hand-side so that each side has the same base:
Use the Property of Equality for Exponential Functions:
Solving for
:
Example Question #3 : Understanding Exponents
What is
the same as?
While a positive exponent says how many times to multiply by a number, a negative exponent says how many times to divide by the number.
To solve for negative exponents, just calculate the reciprocal.
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