Find the value of f(x)= 2xsquare +7x+3atx=-2
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Heya,
2x^2 + 7x + 3
x = -2
f (x) = 2x^2 + 7x + 3
=> f (-2) = 2 (-2)^2 + 7 (-2) + 3
=> f (-2) = 2 (4) - 14 + 3
=> f (-2) = 8 - 14 + 3
=> f (-2) = 11 - 14
=> f (-2) = -3
Hope my answer helps you :)
Regards,
Shobana
2x^2 + 7x + 3
x = -2
f (x) = 2x^2 + 7x + 3
=> f (-2) = 2 (-2)^2 + 7 (-2) + 3
=> f (-2) = 2 (4) - 14 + 3
=> f (-2) = 8 - 14 + 3
=> f (-2) = 11 - 14
=> f (-2) = -3
Hope my answer helps you :)
Regards,
Shobana
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