Over which interval on the x-axis is there a negative rate of change in the function?
•-2 to-1
•-1.5 to 0.5
•0 to 1
•0.5 to 1.5

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18