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[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Graph the line with the given slope m and y-intercept b. m=-3,b=1