Answer:
3.2
Step-by-step explanation:
0.8(4) = 3.2
The answer is D. a1=2 an=an-1+3
Step 1 ) Separate the 4 and x.

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Step 2 ) Simplify the square root of 4.

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Step 3 ) Simplify.

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This is now in its simplest form, so the final answer is...

or it could be...

Either one is correct. Only difference is one is in simplest form and one isn't.
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- Marlon Nunez