Make a sum of a whole number and a number less than 1.
2 answers:
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Answer:
Step-by-step explanation:
The derivative of an addition/subtraction of terms is the addition/subtraction of the derivatives of these terms.
The derivative of a constant is 0.
The derivative of is
. The derivative of
is
, for example.
The derivative of the ln function:
If we have:
The derivative is
In this problem, we have that:
So and
So the derivative to this function is
Answer:
20 ft by 10ft
Step-by-step explanation:
Area of the garden =200 square feet
Let the dimensions of the garden be x and y
Area, xy=200
Since one side is already protected by a barn,
Perimeter of the garden=2x+y
The minimum point of P(y) is the point where its derivative equals zero.
y=20feet
Recall:
xy=200
20x=200
x=10feet
The dimensions of the garden that will require minimum fencing is 20 ft by 10ft