The sum of two numbers is 28. the first number is 7 more than twice the second number. let a represent the first number. let b represent the second number. what is the second number?

Which expression is equivalent to the expression shown?

Reflect the point (7,0) across the y-axis

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