Ivy is building a new L-shaped desk for her room. She wants to make sure it is large enough to hold all her supplies. The dimens
ions of the desk, in feet, are shown in the diagram. What is the area of the desk?
1 answer:
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You have the following function:
Derivate implictly the previous expression, as follow:
Where you have used that:
Then, the implicit derivative of the given expression is:
Next, solve for y' as follow:
Answer:
Step-by-step explanation:
The exponential function that decrease by 15% every time x increases by 1 is given by:
We simplify the parenthesis to get:
Therefore the decrease by 15% every time x increases by 1 is
The second choice is correct.