These Setting details reveal the man’s?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

|p| > 3 {-3, 3} {p|-3 < p < 3} {p|p < -3 or p > 3}

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?