Answer:
D.
Step-by-step explanation:
The line goes through those points
The answer is A, hope that helps buddy!
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 
Learn more about rate of change here :
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First find her salary this year by dividing the amount she saved by the percentage saved:
$4,620 / 0.11 = $42,000
Her salary now is $1000 more than the previous year, so now subtract $1000 from her present salary:
42,000 - 1,000 = $41,000
Answer:
Can you please attach a picture of the question so I can help?
Step-by-step explanation: