2 years ago

Please help i will give brainliest

Mathematics

2 answers:

Mnenie [13.5K]2 years ago

7 0

Answer:

d is the answer

Maksim231197 [3]2 years ago

6 0

Answer:

Step-by-step explanation:

The answer is A

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OverLord2011 [107]

Answer:

Switch x and y, and solve for y

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Step-by-step explanation:

Given

$f(x) = 3\sqrt{8x} + 4$

Required

Complete the steps to determine the inverse function

Solving (a): Complete the blanks

Switch x and y, and solve for y

Solving (b): Determine the inverse function

$f(x) = \sqrt[3]{8x} + 4$

Replace f(x) with y

$y = \sqrt[3]{8x} + 4$

Switch x and y

$x = \sqrt[3]{8y} + 4$

Now, we solve for y

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$x -4= \sqrt[3]{8y} + 4-4$

$x -4= \sqrt[3]{8y}$

Take cube roots of both sides

$(x -4)^3= 8y$

Divide both sides by 8

$\frac{(x -4)^3}{8} = y$

So, we have:

$y =\frac{(x -4)^3}{8}$

Hence, the inverse function is:

$f^{-1}(x) =\frac{(x -4)^3}{8}$

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3 years ago

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Leona [35]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

40/70 = 4/7

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