Word problem need help

timer Asked: May 18th, 2015

Question description

The rate of obesity in children ages 6 to 11 in the united states has increased linearly from the early 1970's to 2001 in 1971, approximately 4% of 6-11 year olds were obese. By 1994 the rate had risen to 15.1% which of the following is a model for this situation, where t = time in years after 1971 and R is the rate of obesity as a percentage? (a) R+2.07t + 4 

(b) R= 4t + 2.07

(c) R=0.48t + 4 

(d) R = 4t + 0.48

(e) Not enough information given 

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