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Alexxx [7]
4 years ago
13

What's the correct answer to this..? Please help

Mathematics
2 answers:
madam [21]4 years ago
7 0

Answer:

The answer is "D"

mestny [16]4 years ago
6 0

Answer:

D. {x:-8≤x<-5}

Step-by-step explanation:

x≥-8

x={-8,-7,-6,-5,-4,-3,-2,-1,0...}

x<-5

x={-6,-7,-8,-9,-0...}

Numbers equal to or less than -8 are also less than -5

Hope it helps ;) ❤❤❤

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Which is the inverse of the function f(x) = x - 9?АО1f-1(x) =x + 9B.f-'(x) = x + 9CO $-+(x) = 9 - *D.F-'-) =-X-9
kirill [66]

To solve for the inverse of the function given;

f(x)=x-9

We begin by re-writing the function as follows;

y=x-9

To now find the inverse, we interchange y for x, and vice versa, as shown below;

\begin{gathered} y=x-9 \\ \text{Now becomes;} \\ x=y-9 \end{gathered}

We now find the value of y;

\begin{gathered} x=y-9 \\ \text{Add 9 to both sides;} \\ x+9=y-9+9 \\ x+9=y \\ y=x+9 \\ \text{Therefore;} \\ f^{-1}(x)=x+9 \end{gathered}

ANSWER:

The correct answer is option B;

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

8 0
1 year ago
The sum of a number and its additive inverse is equal to _____.
prohojiy [21]
The sum of a number and its additive inverse is equal to zero. The correct option among all the options that are given in the question is the second option or option "b". If we assume "x" to be a real number, then its additive inverse is "-x". On adding these two, we can see that the result comes to zero. 
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4 years ago
Find the radius r of the circle. Round your answer to the nearest tenth.
Genrish500 [490]

First off we need to use the formula S = rΘ

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Is x=3 a zero of f(x)=4x^4-x^3-52x^2-35x+12
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Answer:

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