A BMX race track charges a one-time membership fee and an entry fee per race. One racer paid a total of $76 after 3 races. Another racer paid a total of $124 after 7 races. a) Which variable is the independent variable? Which variable is the dependent variable? Explain why in at least one complete sentence.b) What is the entry fee per race?c) Write an equation that gives the total cost paid by a racer as a function of the number of races entered.d) Find out the total cost a racer would have to pay for 10 races.

Given Information: A BMX race track charges a one-time membership fee and an entry fee per race. One…

Answered: A BMX race track charges a one-time…

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

Chapter12: Quadratic Functions

Section12.8: Joint And Combined Variation

Problem 3P

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A BMX race track charges a one-time membership fee and an entry fee per race. One racer paid a total of $76 after 3 races. Another racer paid a total of $124 after 7 races.

a) Which variable is the independent variable? Which variable is the dependent variable? Explain why in at least one complete sentence.
b) What is the entry fee per race?
c) Write an equation that gives the total cost paid by a racer as a function of the number of races entered.
d) Find out the total cost a racer would have to pay for 10 races.

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