Joshua's assignment this weekend is to read a book with seventy-four pages. On Saturday he read thirty pages. How many pages doe
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Answer:
Step-by-step explanation:
The area of the rectangle can be written as:
here, x is one side length, and h is the other side length. This area is said to be equal to 54 square meters.
The perimeter of a rectangle can be written as:
To express perimeter only in terms of x (in other words making it a function P(x)). we need to replace h. And this can be done by using the equation of area that we derived earlier.
now we can substitute this 'h' into our equation of the perimeter.
and voila! we have expressed P in terms of x only.
this can be written as P as a function of x as: