Answers

2015-11-26T18:26:07+05:30
Given Y = x² + 4x + 1    at x= 3
Substituting x= 3  we get
Y = 3² + 4(3) + 1
   = 9 + 12 + 1  =  10+12 = 22
Therefore Y = 22  
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2015-11-29T16:55:57+05:30
Putting the value of x in Y = x² + 4x + 1
Y = x² + 4x + 1
Y = 3² + 4×3 + 1
Y = 9+12+1
Y = 22
The value of Y =  22

Hope it helps 
Cheers
=)


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