Bills sleight is 48 kilograms. This is 10 more than one half of his father weight. What is his dads weight? Explain the steps
2 answers:
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The area of the square increasing at 30
The rate of change function is defined as the rate at which one quantity is changing with respect to another quantity. In simple terms, in the rate of change, the amount of change in one item is divided by the corresponding amount of change in another
Let the side of a square be x.
So,
Area of square =
A =
Differentiating with respect to time we get,
dA/dt = 2x dx/dt
When area = 9 the side becomes 3 cm
At x = 3cm and dx/dt = 5 cm/s (Given)
dA/dt = 2.3.5 = 30
Thus the area of the square increasing at 30
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Answer:
D.
Step-by-step explanation:
Let be . To find the equivalent expression we must use the following property:
(1)
Based on this fact, we find the following equivalence:
Hence, the correct answer is D.