What is the reciprocal of

What is the domain of the function f(x)=^9x

Which letters from the table represent like terms? a and b b and c a and d b and d

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image