intro to graphing exponentials mon oct 22 nd / tue oct 23 rd
TRANSCRIPT
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Intro to Graphing Exponentials
Mon Oct 22nd / Tue Oct 23rd
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RememberExponent Rules…
• 33
• 5-2
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Vocabulary• Exponential Function – has the form y = abx,
where a ≠ 0 and the base b is a positive number other than 1.
• If a > 0 and b > 1, then the function y = abx is an Exponential Growth Function, and b is called the Growth Factor
• Exponential Decay Function – has the form y = abx, where a > 0 and
0 < b < 1 (this means b is a fraction)
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Ex 1) Growth
2xy
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Ex 2) Decay
1
2
x
y
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Ex 3)
2 3xy
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Ex 4)
123
x
y
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Growth vs Decay
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Ex 5)3
2
x
y
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Try these
• 6)
• 7)
• 8)
3xy
122
x
y
2 2xy
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Ex 6)3xy
X Y
-2
-1
0
1
2
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Ex 7)122
x
y
X Y
-2
-1
0
1
2
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Ex 8)
X Y
-2
-1
0
1
2
2 2xy
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Graphing y = abx-h+k• h – moves graph left and right (opposite)
• k – moves graph up and down