Which polynomial is equivalent to (3z + 1)(z + a) z2 + 4z + 1 b) 3z2 + 4z + 1 c) 3z2 + 4z + 2 d) 3z2 + 2z + 1

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Which graph represents the function g(x) = |x + 4| + 2?