PLEASE HELP

Which formula represents a linear function?
A
area of a circle: A = tr^2

B
volume of a sphere: V = 4/3tr^3

С
area of a square: A = s^3

D
circumference of a circle: C = 2tr


t = pi

Respuesta :

Answer:

Option D

Step-by-step explanation:

Standard equation of a linear function

  • Ax+By+C=0

Means the degree is 1

Let's observe

  1. Degree 2(tr^2)
  2. Degree 3(r^3)
  3. Degree 3(s^3)
  4. degree 1

Option D is correct