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Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0