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16-01-2018
Mathematics

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The function f(x)= x^2+ 3x- 10. If f(x+5)= x^2+ kx+ 30, what does k equal?

Respuesta :

aroshiayub aroshiayub

16-01-2018

k = 7.

if you simplify with x=x+5, you get x^2 +7x +30

hope it helps :)

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