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What are the first four terms of the sequence given by the formula below?
an= -2n + 4

Respuesta :

In order to solve this problem, We need to substitute the first four numbers (1,2,3,4) for n. After this we calculate:
First item:
a1= -2*1 + 4=-2+4=2
Second item:
a2= -2*2 + 4 =-4+4=0
Third item:
a3= -2*3 + 4 =-6+4=-2
Forth item:
a4= -2*4 + 4 =-8+4=-4

So the first 4 items are: 2,0,-2,-4..

Answer:

Sequences and Series Online Practice Conexus review:

C

B

A

D

B

C

B

C

C

B

A

D

B

A

A

100%, Hope this helps Y'all:)

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