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Given the function G(x) = 2x2 + 2x - 1, G(3) = ____.

2006-10-12 13:56:04 · 7 answers · asked by Anonymous in Science & Mathematics Mathematics

7 answers

2*9+2*3-1=23

2006-10-12 14:00:01 · answer #1 · answered by raj 7 · 0 1

G(x)=2x^2+2x-1
G(3)=2(3)^2+2*3-1=18+6-1=23

2006-10-12 22:03:03 · answer #2 · answered by yupchagee 7 · 0 0

given G(x)=2x^2+2x-1
G(3)=2(3)^2+2(3)-1
=2(9)+6-1
=18+6-1
=24-1
=23

2006-10-14 05:34:14 · answer #3 · answered by srirad 2 · 0 0

I'm assuming that you mean G(x) = 2x^2 + 2x - 1
G(3)) = 2 (3)^2 + 2(3) - 1
G(3) = 18 + 6 - 1
G(3) = 23

2006-10-12 21:00:42 · answer #4 · answered by Marcella S 5 · 0 0

if that is
G (x) = 2x² + 2x - 1
then
G (3) = 2(3)² + 2(3) - 1
G (3) = 2(9) + 6 - 1
G (3) = 18 + 6 - 1
G (3) = 23

2006-10-12 21:00:22 · answer #5 · answered by theinsidejob 2 · 0 0

g(x) = 2x^2 + 2x - 1
g(3) = 2(3)^2 + 2(3) - 1
g(3) = 2(9) + 6 - 1
g(3) = 18 + 5
g(3) = 23

2006-10-12 22:31:07 · answer #6 · answered by Sherman81 6 · 0 0

just substitute value of x=3 in equation i will get
2(3)^2+2(3)-1
18+6-1
23
therefore G(3)=23

2006-10-12 21:08:15 · answer #7 · answered by Anonymous · 0 0

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