3 years ago

Vyjhgjrzgzrdgdfgfdzggr

Mathematics

1 answer:

evablogger [386]3 years ago

8 0

Vyjhjrzgzrdgdfgfdzggr

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Original price of a microscope: $300.00 Tax:2% find the selling price

Natali5045456 [20]

Answer:

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Step-by-step explanation:

First you make it into fractions. 1/300 = 2/100

The 2 in the fraction represents the tax rate over 100

The 300 represents the microscope price.

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300 x 2 & 1 x 100

600 & 100

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STatiana [176]

Answer:

$f^{-1}(x)=\frac{1}{6}\ln(x+9)$

Step-by-step explanation:

So we have the function:

$f(x)=e^{6x}-9$

To solve for the inverse of a function, change f(x) and x, change the f(x) to f⁻¹(x), and solve for it. Therefore:

$x=e^{6f^{-1}(x)}-9$

Add 9 to both sides:

$x+9=e^{6f^{-1}(x)}$

Take the natural log of both sides:

$\ln(x+9)=\ln(e^{6f^{-1}(x)})$

The right side cancels:

$\ln(x+9)=6f^{-1}(x)$

Divide both sides by 6:

$f^{-1}(x)=\frac{1}{6}\ln(x+9)$

And we're done!

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