<span>Your answer is -5.
a = 2 + 3a + 8
-3a -3a
-2a = 2 + 8
-2a = 10
/-2 /-2
a = -5
</span>
H(-5) pretty much is just saying x=-5, so you should insert that number in as x and solve.
h(-5) = -5(-5) - 10
h(-5) = 25 - 10
h(-5) = 15
This is your final answer.
Answer: The required discount is $819 and the rate of discount is 20.48%.
Step-by-step explanation: Given that a home theater system is marked down from $3999 to $3180.
We are to find the discount and the rate of discount.
The discount will be given by actual price minus the marked price.
We have
Actual price = $ 3999 and marked price = $3180.
So, the discount is given by
And the rate of discount is
Thus, the required discount is $819 and the rate of discount is 20.48%.
The correct answer to this question is 8.4