Answer:
Step-by-step explanation:
y = mx + b
"m" is slope or rate ;
"b" is y-intercept ( value of "y" when x = 0 ) or flat fee.
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b).
$4.95 person pays even he/she download 0 e-books, and monthly pay will be increased by $3.99 for each downloaded e-book.
c = 4.95 + 3.99 b
d). Graph is discrete, because person buys whole e-book and not the parts of the e-books.
