H (d) = 2 (d)^2 -5 Find H (-2)

H (d) = 2 (d)^2 -5

Now H (-2), then this means d will be - 2, so

H (-2) = 2 (-2)^2 - 5

= 2(4) - 5

= 8 - 5

= 3

Hence H (-2) = 3

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