When the pennies are put in groups of 2 there is one penny left over. When they are put in groups of three, five, and six there is also one penny left over. But when they are put in groups of seven there are no pennies left over. How many pennies could there be?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done