What number represents the same amount as 1 hundred+5 tens +12 ones

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)