2 years ago

3 Which expression is equivalent - 3/8 / - 1/4

Mathematics

1 answer:

FrozenT [24]2 years ago

4 0

Answer:

3/8 - 1/4 = 1/

= 0.125

Step-by-step explanation:

brainliest please.

if your not sure with my answer don't go with it.

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Ymorist [56]

Answer: We have to find the inverse function of the following:

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$\begin{gathered} f(x)=y=\sqrt{5x+15} \\ \\ \text{ Switch: }x\text{ and }y\text{ and solve for }y(x)\text{ } \\ \\ \\ y=\sqrt{5x+15}\rightarrow x=\sqrt{5y+15} \\ \\ \\ x^2=5y+15 \\ \\ \\ x^2-15=5y \\ \\ \\ y=\frac{x^2}{5}-\frac{15}{5} \\ \\ \\ \\ y=f^{-1}(x)=\frac{x^2}{5}-3 \\ \\ \\ f^{-1}(x)=\frac{x^{2}}{5}-3 \end{gathered}$

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