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Yakvenalex [24]
2 years ago
14

Solve: x^2+4x-15 you don’t need to show steps

Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
7 0

Answer:

-2 ± √19

Explanation:

Quadratic formula

Hope this helps!

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How do i solve this question
frozen [14]
\bf \begin{cases}
h(x)=(f\circ g)(x)\\
h(x)=\sqrt{x+5}\\
f(x)=\sqrt{x+2}
\end{cases}\\\\
-------------------------------\\\\
(f\circ g)(x)\implies f[\ g(x)\ ]\implies f[\ g(x)\ ]=\sqrt{g(x)+2}\qquad thus
\\\\\\
\sqrt{g(x)+2}=(f\circ g)(x)=h(x)=\sqrt{x+5}\qquad therefore
\\\\\\
\sqrt{g(x)+2}=\sqrt{x+5}\impliedby \textit{squaring both sides}\\\\\\
g(x)+2=x+5\implies g(x)=x+5-2\implies \boxed{g(x)=x+3}
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3 years ago
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Answer:

x+4 and y+3

Step-by-step explanation:

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2 years ago
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Solve for g:<br> 3/16=(-5/4)+g
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