Solve the problem by setting up and solving an appropriate system of equations. Doris invested some money at 4% and some money at 6%. She invested $6,000 more at 6% than she did at 4%. Her total yearly interest from the two investments was $730. How much did Doris invest at each rate?

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Which will form a composite function?