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The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point.

g(x)=2f(x)+3

g(x)=f(x+1)3

g(x)=f(2x)

g(x)=f(x1)+3

Thanks!

 Jul 12, 2015

Best Answer 

 #1
avatar+118608 
+5

This is a very strangely worded question - that is probably why no one has answered it already. :/

 

The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point.

g(x)=2f(x)+3          We know that f(1)=-2

so g(1)=2*-2+3 = -4+3 = -1

so every output value from the f function is doubled and then 3 is added to get the output for the g function.

 

g(x)=f(x+1)−3

g(0)=f(0+1)-3 =f(1)-3 = -2-3=-5

I don't know what the question wants - it is weird ://      Sorry

 

g(x)=−f(2x)

g(x)=−f(−x−1)+3

 Jul 13, 2015
 #1
avatar+118608 
+5
Best Answer

This is a very strangely worded question - that is probably why no one has answered it already. :/

 

The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point.

g(x)=2f(x)+3          We know that f(1)=-2

so g(1)=2*-2+3 = -4+3 = -1

so every output value from the f function is doubled and then 3 is added to get the output for the g function.

 

g(x)=f(x+1)−3

g(0)=f(0+1)-3 =f(1)-3 = -2-3=-5

I don't know what the question wants - it is weird ://      Sorry

 

g(x)=−f(2x)

g(x)=−f(−x−1)+3

Melody Jul 13, 2015

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