Can someone one answer. there is a picture. it is only one problem you so much!

Using the graph below, select all statements that are true. a. f(0.6)=0 b. f(-3.2)=-3 c. f(5.1)=5 d. this is the graph of the greatest integer function. e. this graph is one-to-one.

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Ineed to know the answer to this algebra question.