HELP PLZ!

Is this graph of a function?
Yes or no

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither