Model the curve with a cosine function.
Note that the period of the curve is $P = \frac { 1 } { 3 }$ and its range is $[ - 1,1 ]$ .

A) $f ( x ) = \cos ( 6 x )$
B) $f ( x ) = \cos ( 6 \pi x )$
C) $f ( x ) = \cos \left( \frac { x } { 6 } \right)$
D) $f ( x ) = \cos \left( \frac { \pi x } { 6 } \right)$
E) $f ( x ) = 6 \cos ( \pi x )$

Question

Model the curve with a cosine function.   
Note that the period of the curve is $P = \frac { 1 } { 3 }$ and its range is $[ - 1,1 ]$ .
 
A) $f ( x ) = \cos ( 6 x )$ 
B) $f ( x ) = \cos ( 6 \pi x )$ 
C) $f ( x ) = \cos \left( \frac { x } { 6 } \right)$ 
D) $f ( x ) = \cos \left( \frac { \pi x } { 6 } \right)$ 
E) $f ( x ) = 6 \cos ( \pi x )$

Quizplus · Accepted Answer

The Answer of Model the curve with a cosine function.   
Note that the period of the curve is $P = \frac { 1 } { 3 }$ and its range is $[ - 1,1 ]$ .
 
A) $f ( x ) = \cos ( 6 x )$ 
B) $f ( x ) = \cos ( 6 \pi x )$ 
C) $f ( x ) = \cos \left( \frac { x } { 6 } \right)$ 
D) $f ( x ) = \cos \left( \frac { \pi x } { 6 } \right)$ 
E) $f ( x ) = 6 \cos ( \pi x )$

Model the Curve with a Cosine Function P=13P = \frac { 1 } { 3 }P=31​

Model the Curve with a Cosine Function $P = \frac { 1 } { 3 }$