Enlarge the triangle by scale factor 0.5 using (3, 1) as centre of enlargement

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Ineed no it anyone can see this