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If you shift the linear parent function, f(x) = x, to the left 5 units, what is the equation of the new function?A.g(x) = 5B.g(x) = 5xC.g(x) = xD.g(x) = x + 5

Question

If you shift the linear parent function, f(x) = x, to the left 5 units, what is the equation of the new function?

A. g(x) = 5
B. g(x) = 5x
C. g(x) = x
D. g(x) = x + 5

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Solution

To shift the linear parent function f(x)=x f(x) = x to the left by 5 units, you need to adjust the input x x by adding 5 to it. This is because shifting to the left involves increasing the value of x x by the shift amount.

Here are the steps:

  1. Start with the original function: f(x)=x f(x) = x .
  2. To shift the function to the left by 5 units, replace x x with x+5 x + 5 .

So, the new function g(x) g(x) will be:

g(x)=f(x+5) g(x) = f(x + 5)

Since f(x)=x f(x) = x , we substitute x+5 x + 5 into the function:

g(x)=x+5 g(x) = x + 5

Therefore, the equation of the new function is:

g(x)=x+5 \boxed{g(x) = x + 5}

This problem has been solved

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