■ Find a formula for the described function and state itsdomain.47. A rectangle has perimeter 20 m. Express the area of therect angle as a function of the length of one of its sides.
■ Find a formula for the described function and state itsdomain.47. A rectangle has perimeter 20 m. Express the area of therect angle as a function of the length of one of its sides.
Chapter3: Functions
Section3.7: Inverse Functions
Problem 46SE: The circumference C of a circle is a function of its radius given by C(r)=2r. Express the radius of...
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■ Find a formula for the described function and state its
domain.
47. A rectangle has perimeter 20 m. Express the area of the
rect angle as a function of the length of one of its sides.
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