The strength of a contact lens is given in units called diopters and also in millimeters of
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The strength of a contact lens is given in units called diopters and also in millimeters of arc. As the diopters increase, the millimeters of arc decrease. The rational function
relates the arc measurement ƒ(x) to the diopter measurement x.
(a) To the nearest hundredth, what arc measurement will correspond to 40.5-diopter lenses?
(b) A lens with an arc measurement of 7.51 mm will provide what diopter strength, to the nearest hundredth?
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Related Book For
Intermediate Algebra
ISBN: 9780134895987
13th Edition
Authors: Margaret Lial, John Hornsby, Terry McGinnis
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