Is the data set approximately periodic? If so, what are its period and amplitude? Identify whether the data set is approximately periodic and, if so, determine the period and amplitude. not periodic periodic with period of 3 and amplitude of about 7.5 periodic with period of 3 and amplitude of about 15 periodic with period of 4 and amplitude of about 7.5 cars

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step-by-step explanation:

because i said it is

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: