Question

A young sumo wrestler decided to go on a special diet to gain weight rapidly. W represents the wrestler's weight (in kilograms) after t months.

W=80+5.4t
What was the wrestler's weight before his special diet?

Answer 1

Answer:the wrestler gains 10.8 kilograms every 2 months

Explanation:

Because that’s the answer on khan academy.

Answer 2

80 kilograms

Explanation:

The equation weight as a function of time t for young sumo wrestler is:

W = 80 + 5.4 t

It is also the equation of a straight line. If we make t = 0 we will find the point in which the line touch y axis, ( 80 ) And when t = 0 the young wrestler did not have a diet