Which one of the statements is false

Question

If f(x) and g(x) are continuous on [a, b], which one of the following statements is false?

Question options:

1)
2)
3)
4)

Answer 1

1 is true - the integral from a to a is zero

2 is true - the integral of a sum of terms is the sum of the integrals of each term

3 is false - the integral from a to b is minus the integral from b to a

4 is true - for the same reason as number 2