Answer:
2.99x + 12.99y = 43.92
Step-by-step explanation:
socks cost 2.99 and she bought x
2.99x
blouses cost 12.99 and she bought y
12.99y
The total is
2.99x + 12.99y
The total cost was 43.92
2.99x + 12.99y = 43.92
<h2>

</h2>

<h3>(OR)</h3>

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</h2>

![\sf{=\dfrac{d}{dx}\bigg[\dfrac{a^x}{ln(a)} \bigg] }](https://tex.z-dn.net/?f=%5Csf%7B%3D%5Cdfrac%7Bd%7D%7Bdx%7D%5Cbigg%5B%5Cdfrac%7Ba%5Ex%7D%7Bln%28a%29%7D%20%20%5Cbigg%5D%20%7D)
<h3>(Linear differentiation)</h3>



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<h3>✭ Linear differentiation</h3>
→ ![\sf{[a.b(x)+c.d(x)]'=a.b'(x)+c.d'(x)}](https://tex.z-dn.net/?f=%5Csf%7B%5Ba.b%28x%29%2Bc.d%28x%29%5D%27%3Da.b%27%28x%29%2Bc.d%27%28x%29%7D)
<h3>✭ Exponential function rule</h3>
→ 
I think the answer is 2/5
It would be C if you mean y-intercept
Answer:
Check explanation
Step-by-step explanation:
