SOLUTION: Write an equation for each transformation of y=x: a) Vertical stretch by a factor of 3 b) Vertical compression by a factor of 1/5

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Question 1096778: Write an equation for each transformation of y=x:
a) Vertical stretch by a factor of 3
b) Vertical compression by a factor of 1/5
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
(a) Multiply the right side by 3

y+=+3x

(b) Multiply the right side by 1/5

y+=+expr%281%2F5%29x

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Here are the graphs:

y=x
graph%28400%2C400%2C-10%2C10%2C-10%2C10%2Cx%29
y=3x
graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C3x%29
y=expr%281%2F5%29x
graph%28400%2C400%2C-10%2C10%2C-10%2C10%2Cx%2F5%29

Edwin