What is the output of the function when the input is 10? How do I answer this?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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

What is x3+3x2−16x−48 divided by x−1?