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smagallanes
25.12.2019 •
Mathematics
Simplify. consider all the cases.
example:
x−5=
x−5, if x> 5
0, if x=5
5−x, if x< 5
2x+7
a) if x > , then 2x + 7 =
b)if x = , then 2x + 7 =
c) if x < , then 2x + 7 =
(x−4)+7
if x > , then (x − 4) + 7 =
if x = , then (x − 4) + 7 =
if x < , then (x − 4) + 7 =
7−(x−7)
if x > , then 7 − (x − 7) =
if x = , then 7 − (x − 7) =
if x < , then 7 − (x − 7) =
7−(12−x)
if x > , then 7 − (12 − x)=
if x = , then 7 − (12 − x =
if x < , then 7 − (12 − x)=
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Ответ:
The independent variable is m (number of miles) and the dependent variable is e (the cost).
Step-by-step explanation:
In this situation, if you were to graph the equation on the number line ,
M will be the x and e will be the y.And we know most of the time that x is independent in that situations and y is dependent.
The cost of depends on how many miles travelled.If the cost will go up it depends on how many miles.