The “int()” operator in your calculator is the “greatest integer function.” It returns the greatest integer less than or equal to the operand and is written using square brackets: [x] or [[x]]. For example, it would give back 82 for [[82.976]].

In Smalltown, AZ the students receive grade points as follows: 4.0 for any grade 90% or higher. [90,100)3.0 for any grade 80% or higher. [80,90)2.0 for any grade 70% or higher. [70,80)

1.0 for any grade 60% or higher. [60,70)(Notice: students NEVER fail! And students never get 100%!)

A. Write a function that correctly returns grade points for gradesfrom 60% to 100%. (78.45 should give a 2.0). Is your function even, odd, or neither?

B. State the domain and range of the function for this situation.

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