he parent function y=f(x)

is horizontally stretched by a factor of 3. Points on the parent function include (0,0)
, (1,1)
, (2,4)
, and (3,9)
. Complete the table for y=f(1/3x)
.(1 point)
x f(13x)
0 0
3 1
4
9

1 answer

To determine the points for the transformation \( y = f\left(\frac{1}{3}x\right) \), we need to understand how the horizontal stretch affects the original points on the parent function \( y = f(x) \).

The transformation \( y = f\left(\frac{1}{3}x\right) \) indicates that every \( x \) value from the parent function is multiplied by 3. In other words:

  • If \( (a, b) \) is a point on the parent function \( y = f(x) \), then the corresponding point on the transformed function \( y = f\left(\frac{1}{3}x\right) \) will be \( (3a, b) \).

Now, let's apply this transformation to the points given from the parent function:

  1. For the point \( (0, 0) \):

    • \( x = 0 \) results in \( (3 \cdot 0, 0) \) = \( (0, 0) \)
  2. For the point \( (1, 1) \):

    • \( x = 1 \) results in \( (3 \cdot 1, 1) \) = \( (3, 1) \)
  3. For the point \( (2, 4) \):

    • \( x = 2 \) results in \( (3 \cdot 2, 4) \) = \( (6, 4) \)
  4. For the point \( (3, 9) \):

    • \( x = 3 \) results in \( (3 \cdot 3, 9) \) = \( (9, 9) \)

Now we can fill out the table. Given the points we calculated, the table will look like this:

| \( x \) | \( f\left(\frac{1}{3}x\right) \) | |---------|----------------------------------| | 0 | 0 | | 3 | 1 | | 6 | 4 | | 9 | 9 |

So, the missing values in your table would be:

  • When \( x = 6 \), \( f\left(\frac{1}{3} \cdot 6\right) = 4 \)
  • When \( x = 9 \), \( f\left(\frac{1}{3} \cdot 9\right) = 9 \)

The completed table is as follows:

| \( x \) | \( f\left(\frac{1}{3}x\right) \) | |---------|----------------------------------| | 0 | 0 | | 3 | 1 | | 6 | 4 | | 9 | 9 |

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