7. The cost e varies directly as the number n of pencil is written as a.c-kn bk-cn

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.10: Inverse Variation
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Answer the question with one of the options. #7

 

7. The cost e varies directly as the number n of pencil is written as
d.e
a.ckn
b.k- cn
Transcribed Image Text:7. The cost e varies directly as the number n of pencil is written as d.e a.ckn b.k- cn
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