Question

A function f is defined by f(x) = 2x -5. Write down the values of f(0).

Answer 1

f(0) =0
because any number multiplied by 0 is 0

Answer 2

f(x) = 2x - 5

To find the value of f(0), we substitute the value of x as 0

f(x) = 2x - 5

f(0) = 2(0) - 5

f(0) = -5

Answer: - 5