What is the answer for this question?

Use the graph of the sine function y=2sinθ shown below

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

[tex]5 \times1 \frac{12}{13} [/tex] me