I NEED HELP PLEASE! THANKS :)

option C is the right option.

Explanation:

General expression of a cosine function is:

y=A cos k X

where A is amplitude and 2 pi/k is its period.

In our case,

has :

hence, the right answer is of option C

hope this helps...

Good luck on your assignment..

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

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