Given the function g(x)=-x^2+9x+23g(x)=−x 2 +9x+23, determine the average rate of change of the function over the interval -2\le x \le 11−2≤x≤11.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

How to find the exponential function y=ca^x, with points (1,2) and (2,1)