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Math Problems
Grade 7
Do the ratios form a proportion: word problems
What is the period of
\newline
y
=
cos
(
−
4
π
x
+
3
)
−
7
?
y=\cos (-4 \pi x+3)-7 ?
y
=
cos
(
−
4
π
x
+
3
)
−
7
?
\newline
Give an exact value.
\newline
units
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