Functions - Higher only test questions - WJEC

1

What effect will \(f(x) + a\) have on a graph?

2

In the diagram below, what is the equation of the red line?

A graph with two curves, one of the equation y = f(2x), the other is unknown

3

What effect will \(f(x + a)\) have on a graph?

4

In the diagram below, what is the equation of the red line?

A graph with two curves, one of the equation y = f(2x), the other is unknown

5

What effect will \(–f(x)\) have on a graph?

6

In the diagram below, what is the equation of the red line?

A graph with two curves, one of the equation y = f(2x), the other is unknown

7

What effect will \(f(–x)\) have on a graph?

8

What is the equation of the green line in this diagram?

A graph with two curves, one of the equation y = f(2x), the other is unknown

9

What is the equation of the red line in this diagram?

A graph with two curves, one of the equation y = f(2x), the other is unknown

10

Which function shows a reflection in the \({x}\)-axis?