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Over [174]
3 years ago
6

Which graph represents the compound inequality? n < –2 or n ≥ 4

Mathematics
2 answers:
masha68 [24]3 years ago
8 0
N>4 bc it is not too bad and
AnnZ [28]3 years ago
7 0

Answer:

The answer is C.

Step-by-step explanation:

edge 2020

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Find f(g(x)) and g(f(x)) 1. F(x) = X²-3x+1 g(x)=5x-7
Mariana [72]

We are given the following functions

\begin{gathered} f(x)=x^2-3x+1 \\ g(x)=5x-7 \end{gathered}

Let us first find f(g(x)

Substitute x = 5x - 1 into the function f(x) and simplify

\begin{gathered} f(g(x))=(5x-7)^2-3(5x-7)+1 \\ f(g(x))=(25x^2-2\cdot5x\cdot7+49)^{}-15x+21+1 \\ f(g(x))=25x^2-70x+49^{}-15x+22 \\ f(g(x))=25x^2-70x-15x+49+22 \\ f(g(x))=25x^2-85x+71 \end{gathered}

Now let us find g(f(x))

Substitute x = x² - 3x + 1 into the function g(x) and simplify

\begin{gathered} g(f(x))=5(x^2-3x+1)-7 \\ g(f(x))=5x^2-15x+5-7 \\ g(f(x))=5x^2-15x-2 \end{gathered}

Therefore, f(g(x) and g(f(x)) are

\begin{gathered} f(g(x))=25x^2-85x+71 \\ g(f(x))=5x^2-15x-2 \end{gathered}

5 0
2 years ago
Which expressions are equivilent to -4 2/7 + (-1 1/2) + (-3/7)
nika2105 [10]
Is this a multi question ? If so
Please post full question to get full answer

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8 0
4 years ago
Determine the inverse for the function f(x)= 4x+20
LUCKY_DIMON [66]

Answer:

6.40

Step-by-step explanation:

5 0
3 years ago
Please help me 15 - 3 (2 + 6(-3) and who wants to talk I'm very board​
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3 0
3 years ago
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The data set shows the numbers of hours that employees at a certain shop worked in one week. What is the mean number of hours th
lyudmila [28]

Answer:

33.6

Step-by-step explanation:

The following data set shows the numbers of hours that employees at a certain shop worked in one week

34 36 32 40 39 17 35 33 36 34

The mean is the average of the numbers. It is easy to calculate - add up all the numbers, then divide by how many numbers there are.

Hence,

\text{mean}=\dfrac{34+36+32+40+39+17+35+33+36+34}{10}=\dfrac{336}{10}=33.6

6 0
4 years ago
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