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scZoUnD [109]
2 years ago
12

Select the correct answer. Which function is the inverse of f(x) = -x3 − 9? A. B. C. D.

Mathematics
2 answers:
Masja [62]2 years ago
4 0

Answer:

-3 = x

Step-by-step explanation:

0 = -x3-9

9=-x3

3=-x

-3=x

sasho [114]2 years ago
3 0

Answer:

Below in bold.

Step-by-step explanation:

f(x) = - x^3 - 9

x^3 = -9 - f)x)

x = ∛(-9 - f(x))

So the inverse function = f-1(x)  = ∛(-9 - x))

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siniylev [52]

Answer:

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Step-by-step explanation:

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Hope this helps!

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Is a positive integer raised to a negative power always positive
Evgesh-ka [11]

Answer:

Yes

Step-by-step explanation:

Many students gets confused with these exponential problems, they often get misguided but understand that there is nothing to be confused of.

When you have a negative number, you just take the reciprocal of the whole exponent number.

What is a reciprocal?

Let's take an integer for example, let's take the number 3.

The reciprocal for 3 is (1/3)

Let's take an other number, let's take 2/3

The reciprocal for 2/3 is (3/2)

In conclusion, we just reverse the denominator and the numerator or just switch it.

We take 3 as (3/1) and that is the reason, the reciprocal would be (1/3)

Now, coming to the negative integers. Taking an example:

(2)⁻¹

This would be become (1/2¹) = (1/2)

Hence, the result of a negative integer is positive but would be a fraction.

Hope I helped!


3 0
3 years ago
evaluate the expression 9(a 2b) c for a = –3, b = –2, and c = 1. i kept getting the answer of 10 but it's not one of my choices
den301095 [7]
What grade are u? I'm just asking cause the formulas are going with grade I could help if u want me too
7 0
3 years ago
6x 4y y 5 -2 3x 6 how can I solve this
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Answer:

Look below at the image I have provided for you <3

Step-by-step explanation:

I hope this helps!

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