Skip to content
MathsGenie logo
Open app

Course home

  1. GCSE
  3. Maths WJEC
  5. Question bank

Function Machines

MediumHard
12
Question 1

Here is a number machine.

Input → ×5\times 5×5 → -12 → Output

a.

What is the output when the input is 4?

[1]
b.

What is the input when the output is 18?

[1]
c.

Show that there is a value of the input for which the input and the output have the same value.

[2]

Function Machines Questions

  1. GCSE
  2. /Maths
  3. /Function Machines