bella types at a constant rate of 42 per minute. is the number of words she can type proportional to the number of minutes she t
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True, all of them represent a negative number, for example:
You have $60 and you spent $10, the remaining money is:
Your savings are $1000 and you make a Withdrawal of $500:
In other words for calculation purposes, they all have negative values
Given:
The height of a golf ball is represented by the equation:
To find:
The maximum height of of Anna's golf ball.
Solution:
We have,
Differentiate with respect to x.
For critical values, .
Differentiate y' with respect to x.
Since double derivative is negative, the function is maximum at .
Substitute in the given equation to get the maximum height.
Therefore, the maximum height of of Anna's golf ball is 6.25 units.
Answer:
9
Step-by-step explanation:
Cross Multiply:
Simplify: 4x=36
x=9