If y=x^2+2x+3 find the falue of Y when x=3
2 answers:
Y=18 is the correct answer
If y=x^2+2x+3 when x=3 then y=........
Plug in 3 where x is stated.
Work:
y=(3)^2+2(3)+3
y=9+2(3)+3
y=9+6+3
y=18
Answer: 18
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