A car wash reduced the price of a basic wash as a promotion and test of the market. With the price a

A car wash reduced the price of a basic wash as a promotion and test of the market. With the price at $11 the average monthly sales has been 30000. When the price dropped to $10, the average monthly sales rose to 35000. Assume that monthly sales is l

A car wash reduced the price of a basic wash as a promotion and test of the market. With the price at $9 the average monthly sales has been 29000. When the price dropped to $7, the

A window is in the form of a rectangle surmounted by a semicircle. The rectangle ...

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A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-th

We were asked to solve for the derivative of y=√a^2+x^2. We have to use delta method though.

We were asked to solve for the derivative of y=√a^2+x^2. We have to use delta method though and I'm still confused on how to solve this through delta method because there are three variables. like should I solve for dy/dx and then another one?

1. A graphic designer is asked to create a movie poster with a 98 in² photo surrounded by a 4 in border at the top and bottom and a 2 in border on each side. What overall dimensions for the poster should the designer choose to use the least