Sonny has $75 to spend. The purchase he wants to make requires$93. If he borrows the extra money that he needs, how much does he
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The formula of an area of a triangle:
We have:
substitute:
The formula of an area of a circle:
We have
Substitute:
The area of the shaded region
Given:
The function for size of a square frame is
where, x is the side length of the picture.
The function for the price in dollars for the frame is
To find:
The single function for the price of a picture with an edge length of x.
Solution:
We know that, for a picture with an edge length of x.
Size of a square frame = f(x)
Price in dollars for the frame = p(x)
Single function for the price of a picture with an edge length of x is
Let the name of this function is c(x). So,
Therefore, the required function is .