In this question, the given functions are
And we have to find the value of
Which is equal to
So we have to subtract the two functions that is
Correct option is the second option .
This is wrong DONT use it
Multiply the cost of the meal by 0.15 ( 15% as a decimal).
8.95 x 0.15 = 1.34
The amount of the discount would be $1.34
Extra:
If you need to find out how much a senior citizen pays, you would subtract the amount of the discount from the original price:
8.95 - 1.34 = $7.61
This is how your answer would look like in vertex form:
y= -2 (x - 1)^2 + 8