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Please friends I need your help

Please friends I need your help-example-1
User Zaki
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Answers:

(a) 4, 7, 12, 19, 28

(b) 9, 15, 21, 27, 33

(c) 3, 93, 993, 9993, 99993

(d) 1, 3, 5, 7, 9

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Step-by-step explanation

I'll show how to find a few terms from sequence (a). The same idea would apply for the other parts (b) through (d).

To get the first term, we plug in n = 1

n^2+3 = 1^2+3 = 1+3 = 4

The first term is 4.

Plug in n = 2 to get the second term

n^2+3 = 2^2+3 = 4+3 = 7

The second term is 7.

Plug in n = 3 to get the third term

n^2+3 = 3^2+3 = 9+3 = 12

The third term is 12.

And so on.

User JuneT
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