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Mathematics
Problem
Explain why the rate of change of
y
y
y
with respect to
x
x
x
is constant for the function
y
=
3
x
+
2
y=3x+2
y
=
3
x
+
2
, but not constant for the function
y
=
x
2
y=x^{2}
y
=
x
2
.
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