12.Find the rate of change for each
function.
Function A
Mandy's monthly c...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 04.11.2021 18:10, soonerlady19
12.Find the rate of change for each
function.
Function A
Mandy's monthly cell
phone bill is represented
by the function
y=0.10x + 70, where x
represents the minutes
and y represents the cost.
Function B
Angel's monthly cell
phone bill is
represented by the
function y=0.25x + 30,
where x represents the
minutes and y
represents the cost.
4. How much more expensive is
Function C than Function D if they
talk for 200 minutes each?
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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