Does the equation below represent a relation, a function, both a relation and a function or neither y = x2 – 9x

Find the quotient with the restriction.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

The elmina wilson company produces spaghetti sauce that is used in restaurants. the fixed costs total $1,329,050. the selling price per 64 oz. can of sauce is $12.40. the variable cost per can is $4.80. what is the break-even point in number of cans?