The temperature in a freezer is falling steadily at a rate of two degrees Fahrenheit per minute. The function y equals twenty-five minus two x gives the temperature y after x minutes. Which set of terms best describes the function y equals twenty-five minus two x in this scenario? discrete and linear discrete and non-linear continuous and linear continuous and non-linear

Question

The temperature in a freezer is falling steadily at a rate of two degrees Fahrenheit per minute. The function y equals twenty-five minus two x gives the temperature y after x minutes. Which set of terms best describes the function y equals twenty-five minus two x in this scenario?   discrete and linear   discrete and non-linear   continuous and linear   continuous and non-linear

mathstudent55 · Answer

y = 25 - 2x
Both the y and the x are to the first power. That means this equation has a graph of a line. It is linear.
Also, every value of x that you can think of can be plugged in, so it's continuous.