Answer:
D. (-∞,4]
Step-by-step explanation:
The range is the y values
The lowest y values is negative infinity
The highest y values is 4
( - inf, 4]
We use the parentheses since we cannot get to negative infinity, the bracket since we reach 4
Given:
Consider the discount percent and SP are given.
To find:
The MP.
Solution:
Let x% be the discount percent Then




Multiply both sides by 100.

Divide both sides by
.

Therefore, the formula for MP is
, where x is the discount percentage.
-41.
Explanation and show work: