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The cost of mailing a first-class letter is 0.46 cents for the first ounce and 0.20 cents for each additional ounce or portion of an ounce. The letter y represents the total cost for mailing a letter that weighs x ounces. Which type of function model would be appropriate for this situation?

 

a) Linear function

 

b) Step function

 

c) Square root function

 

d) Absolute value function

 Apr 30, 2021
edited by Guest  Apr 30, 2021
 #1
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The  function  is

 

y = .46  + .20 * ceiling (x - 1)

 

This is definitely  a  step function ....see the  graph here  :  https://www.desmos.com/calculator/xahfr9lse3

 

 

cool cool cool

 Apr 30, 2021

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