If f(x) = 7(x-1)+8, what is the value of f(1)

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Factor the polynomial by its greatest common monomial factor.

Which of the following vectors are orthogonal to (2,1)? check all that apply