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Logarithms
???? LOGARITHM ??
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Inverse Functions
• Original function: • Inverse function:
Example
Inverses Invert
Invert
Now solve for y.
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Enter the Logarithm
means
“Jumping Horse Outline”by warszawianka. Found at http://openclipart.org/detail/10712/jumping-horse-outline-by-warszawianka-10712. Public domain.
Solution:
Implications? Graphs of inverse functions reflect over line .
Implications
• Increasing• Asymptote: y-axis => x>0.• loga1=0.
• logaa=1.
Summary
Basic relationship:
Next
Yes but so what?