GCSE Maths Practice: graph-transformations

Question 7 of 10

This question tests vertical stretch of a function.

\( \begin{array}{l}\text{Describe the transformation from } y = f(x) \\\text{to } y = 3f(x).\end{array} \)

Select all correct options:

Check the coefficient in front of f(x) for vertical scaling.

Coefficient a > 1 stretches vertically; 0 < a < 1 compresses vertically.