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2 years ago

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Help plz. For what value of g does the function f(g) = g2 + 3g equal 18?

1 answer:

Paladinen [302]2 years ago

7 0

The equation is as follow g2 + 3g =18 it is the same of <span><span>g2 + 3g -18=0
</span> we must find the solution

D=3²- 4x1x-18= 9+72=81
the sqrt(81)=9
so g = (-3 - 9 )/ 2= -6
g= (-3+9)/2=3

the solution is
</span>
<span>function f(g) = g2 + 3g equal 18 if g= - 6 or g=3</span><span>

</span>

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