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Troyanec [42]
2 years ago
11

What is the value of 4x(x3−2) when x=−3?

Mathematics
1 answer:
Kaylis [27]2 years ago
3 0

Answer:

-23

Step-by-step explanation:

Because it is.

Mark as brainliest PLZ! It will make my day! Thank you!

Visit my church's website at fbcinterlaken.org if you want to learn more about God!

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Chris invests $18,000 into an account at an annual rate of 0.4% simple interest for 12 months. 5) Calculate the simple interest
ikadub [295]

Answer:do you have a screenshot

7 0
2 years ago
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Given f(x) = 4x^4 find f^-1(x) Then state whether f^-1(x) is a function.
sdas [7]

Answer:

  • f^{-1}(x)=\pm\sqrt[4]{\dfrac{x}{4}}
  • f^{-1}(x) \quad\text{is not a function}

Step-by-step explanation:

To find the inverse function, solve for y:

x=f(y)\\\\x=4y^4\\\\\dfrac{x}{4}=y^4\\\\\pm\sqrt[4]{\dfrac{x}{4}}=y\\\\f^{-1}(x)=\pm\sqrt[4]{\dfrac{x}{4}}

f(x) is an even function, so f(-x) = f(x). Then the inverse relation is double-valued: for any given y, there can be either of two x-values that will give that result.

___

A function is single-valued. That means any given domain value maps to exactly one range value. The test of this is the "vertical line test." If a vertical line intersects the graph in more than one point, then that x-value maps to more than one y-value.

The horizontal line test is similar. It is used to determine whether a function has an inverse function. If a horizontal line intersects the graph in more than one place, the inverse relation is not a function.

__

Since the inverse relation for the given f(x) maps every x to two y-values, it is not a function. You can also tell this by the fact that f(x) is an even function, so does not pass the horizontal line test. When f(x) doesn't pass the horizontal line test, f^-1(x) cannot pass the vertical line test.

_____

The attached graph shows the inverse relation (called f₁(x)). It also shows a vertical line intersecting that graph in more than one place.

5 0
2 years ago
Answer will get the brainliest
tia_tia [17]
I agree with him that’s the answer
7 0
3 years ago
Can someone please help me??????????
madam [21]
I hoped this help c 0.43
4 0
3 years ago
4^-2 what does this equal
S_A_V [24]

0.0625

or 16 im not sure

4 0
3 years ago
Read 2 more answers
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