Answer:

Step-by-step explanation:
<u>step(i)</u>
Given function y = 3 x³ - 2 x ... (i)
Differentiating equation (i) with respective to 'x'

Given x = -2


<u><em>Step(ii):-</em></u>
<u><em>we know that </em></u>

Given 

substitute values
⇒ 
cross multiplication , we get

<u><em>Final answer</em></u>:-

Answer:
We conclude that total cost/bill will be: $27.81
Step-by-step explanation:
Given
The cost of an iPhone case = $27
Additional expense = 3% = 3/100 = 0.03
To determine
Total bill = ?
The expense amount can be calculated by multiplying the cost of an iPhone case by the additional expense
i.e.
Expense Amount = cost of an iPhone case × additional expense
= 27 × 0.03
= $0.81
The total cost is calculated by adding the expense amount and the original cost of an iPhone case.
i.e.
Total cost/bill = Expense Amount + cost of an iPhone case
= $0.81 + $27
= $27.81
Therefore, we conclude that total cost/bill will be: $27.81
2.25 x 3 = 6.75
,6.75 x .05 = 0.34
,6.75 + 0.34 = 7.09
,Answer is $7.09
The living room is rectangular. We would find the area by applying the formula for calculating the area of a rectangle which is expressed as
Area = length x width
From the information given,
internal length = 5.2
internal width = 2.95
Thus,
internal area of the living room = 5.2 x 2.95
internal area of the living room = 15.34 m^2
Answer:
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Step-by-step explanation: