We are given the following function and want to find the y-intercept:

Just substitute the value x=0 into the equation to find the value of the y-intercept:

Simplify

Simplify again

Since the value of f(x), or y, when x=0 is 66, the y-intercept of this function is 66.
Let me know if you need any clarifications, thanks!
~ Padoru
You would get it wrong cause you haven’t answered anything
Answer:
888888
Step-by-step explanation:
88888888888888888888
A. the lower extreme is an outer but the upper exterme is not
Its linear , if side is x then perimeter is 4x
I hope this helps, if you have any further questions don't hesitate to ask