The diameter of the wheels on xavires bicycle is 80 cm . Calculate the circumference of the wheels

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

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

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.