Brainliest + points! 40 points! answer if you know? mathematicians needed

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Hi my sisters and brothers can tell me the answer because i don’t understand the question