Aplate is pushed horizontally over a 80 cm high table. if it lands a point 120 cm away from the table
a) what is the initial velocity of the plat ?
b)at what velocity does theolate strike the floor ?

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answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.