Oxford University MAT 2017 Solved Papers

Question : 4 of 10

Marks: +1, -0

The diagram below shows the graph of

y=f(x)

The graph of the function

y=-f(-x)

is drawn in which of the following diagrams?

Solution:

The graph undergoes two transformations:

y=f(-x)

is a reflection in the

y

-axis, whilst

y=-f(x)

is a reflection in the

x

-axis. Combining these two means the answer is (c).

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