GCSE Maths Practice: graph-transformations

Question 10 of 10

This question tests horizontal compression of a function.

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\( \begin{array}{l}\text{Describe the transformation from } y = f(x) \\\text{to } y = f(2x).\end{array} \)

Choose one option:

\( \text{Stretch in x-direction by scale factor 1/2} \) \( \text{Graph is modified} \) \( \text{No transformation} \)

Check the coefficient of x inside the function for horizontal stretch/compression.

Multiplying x inside the function by a factor >1 compresses it horizontally, halving all x-values.

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