Identify the expression as a numerical expression or a variable expression. for a variable expression, name the variable.

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a. numerical expression

b. variable expression; a is the variable.

c. variable expression; there is no variable.

d. variable expression; l is the variable.

Add or subtract polynomial : –12qr? +13rq?

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

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