Find f(3)

F(3)=-1
F(3)=5
F(3)=3
F(3)=1

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Find the quotient. 50a2 – 98b2 -5a +7b

Which of the following are accepted without proof in a logical system? check all that apply.