Logarithm graph
Updated: 5/16/2020 This storyboard was created with StoryboardThat.com

#### Storyboard Text

• y=e^-xx is negative
• y=e^xx is positive
• y=-e^-x+0
• Asymptote y=0
• y=-e^x+0
• y=e^xy=e^0y=1Asymptote y=0
• Find y-intercept by letting x=0.
• y=e^(x)+1y=e^(0)+1y=2Asymptote y=1
• Ms Latha teaches 3 Loyalty a shortcut to remember exponential function graphs.
• y=lg/ln(-x)x is negative
• y=lg/lnxx is positive
• e is negative, therefore graph is flipped downwards. Do not forget the asymptote! It is always drawn as a dotted line.
• Asymptote x=0
• Equations to understand exponential function graphs.
• y=lgx0=lgx10^0=xx=1Asymptote x=0
• Find x-intercept by letting y=0.
• y=lg(x+1)0=lg(x+1)x+1=10^0x=0Asymptote x+1=0x=-1
• Ms Latha teaches 3 Loyalty a shortcut to remember Logarithm graphs.
• lg is negative therefore graph is flipped downwards. Do not forget the asymptote! It is always drawn as a dotted line.
• y=-lg(-x)
• y=-lgx
• Equations to understand logarithm graphs.
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