Question

The function f(x) = -O.25x + 5 models the height of a candle x seconds after it is lit. Explain the meaning of the y-intercept of this function?

Answer 1

The meaning of the y-intercept in this function is the start height and each second its getting smaller.

Explanation:

This is the reason the 0.25 is negative, because it is being subtracted by the previous height.