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Misha Larkins [42]
3 years ago
9

Help me i need help pls you all are smart

Mathematics
1 answer:
velikii [3]3 years ago
8 0

Answer:

I know the answer of picture 1.

Step-by-step explanation:

\frac{28}{9}  +  \frac{9}{4}

\frac{28}{9}  \times  \frac{4}{4}  +  \frac{9}{4}  \times  \frac{9}{9}

\frac{112}{36}  +  \frac{81}{36}

\frac{ 112 + 81}{36}

\frac{193}{36}

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Answer:

B is the answer.

A) No because the value of x depends on what 7•y is

C) No because x depends on the value of y+7

D) No because the x depends on the value of y/7

In other words, on B, x doesn't depend on anything, your just given the value of it. Don't know how else to explain it, hope you get it.

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PLEASE HELP
klio [65]
f<span>(x)</span>=<span>x^2</span>−<span>6

</span>Replace <span>f<span>(x)</span></span> with <span>yy</span>.

<span>y=<span>x^2</span>−<span>6

</span></span>Interchange the variables.

<span>x=<span>y2</span>−6

</span>Solve for <span>yy</span><span>.
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</span></span></span>The complete solution is the result of both the positive and negative portions of the solution.

Tap for more steps...

<span>y=<span>√<span>6+x</span></span>,−<span>√<span>6+x</span></span></span>
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<span>Answer is f<span>−1</span></span><span>(x)</span>=<span>√<span>6+x</span></span>,−<span>√<span>6+<span>x</span></span></span>
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