Shortcut: you notice that the curve passes through (1,0)
Only log function passes this point.
Answer:
Price after discount = 2.4 (1-.3)
Price after discount = 2.4 (.7)
Step-by-step explanation:
We know the cost after the discount.
Price after discount = original price - original price * discount rate
Factoring out the original price
Price after discount = original price (1- discount rate)
We know the discount rate = .3 and the original price is 2.4
Price after discount = 2.4 (1-.3)
Price after discount = 2.4 (.7)
Price after discount = 1.68
You cannot make make an equation using a vertical line because the slope itself is undefined.
The answer you are looking for is $70
hope that helps!!!
-9m+81-m^2+9m = 81 - m^2 (final answer since -9m and 9m cancels each other out)