This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: k = f + g Ā· g ; give its domain in interval notation. Write a simpliļ¬ed formula for the function k = ( f + g ) ā¦ h ; give its domain in interval notation. 4. A rectangle is fashioned so that its area and perimeter have the same numeric value. Write the length ā of the rectangle as a function of the width w . What is the only square that behaves this way? 5. A company manufactures a gutter by bending up the sides of a metal sheet of ļ¬xed width w = 2 ft, so that cross-sections form an isosceles trapezoid with desired length b = 1 ft for the smaller base as shown. Express the cross-sectional area as a function of the angle Īø . For fun, experiment with a calculator to try to decide what Īø maximizes the cross-sectional area....
View Full Document
- Spring '08