Solve. -Suppose That a Polynomial Function Is Used to Model the the Data

Multiple Choice

Solve.
-Suppose that a polynomial function is used to model the data shown in the graph below.
For what intervals is the function increasing?

A) 10 through 25 and 40 through 50
B) 0 through 40
C) 0 through 10 and 20 through 50
D) 0 through 10 and 25 through 40