Mathematics for IGCSE & O level - Functions (Section 3 - No. 38)

What does the function f(x) = 3x + 1 mean?

f(x) represents the value of x for the equation

3x + 1 represents the result for the function

3x + 1 can be written as 3 times x plus 1

x is the input or independent variable

These are interpretations for the linear function.