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Anastaziya [24]
3 years ago
14

Which of the following is the simplified version of 3(x + 5) - 6x = 23?

Mathematics
2 answers:
olga_2 [115]3 years ago
7 0

the Answer :

B.) -3x+15=-23

Oxana [17]3 years ago
6 0

Answer:

B.) -3x+15=-23

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The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative
madam [21]

The true statement is:

"The range of the function is all real numbers less than or equal to 9."

<h3>Which statements are true?</h3>

Here we have the quadratic function:

f(x) = -x^2 - 4x + 5

And we want to see which of the given statements are true.

The first one is:

"The domain is al real numbers less than or equal to -2"

This is false, for all quadratic functions the domain is the set of all real numbers (unless the domain is defined).

The second statement is:

" The domain of the function is all real numbers less than or equal to 9."

Also false

Third one:

" The range of the function is all real numbers less than or equal to −2"

The range of a quadratic function with a negative leading coefficient will be the set of all the values smaller than the y-value of the vertex.

In this case, the quadratic function is:

f(x) = -x^2 - 4x + 5

So the vertex is at:

x = 4/(2*-1) = -2\\

Then the y-value of the vertex is:

f(-2) = -(-2)^2 - 4*(-2) + 5 = -4 + 8 + 5 = 9

So the range is the set of all real numbers less than or equal to 9.

So the above statement is false, and the final one:

"The range of the function is all real numbers less than or equal to 9."

Is the true statement.

If you want to learn more about quadratic functions:

brainly.com/question/1214333

#SPJ1

8 0
1 year ago
Simplify the expression:<br><br> 7(1 + 2g) =
lesya692 [45]
7+14g because your multiplying seven by the parenthesis and because you don’t know the value of g you have to keep it as 2g times 7 which would be 14g
3 0
2 years ago
1/2 greater than or less than 3/15
Colt1911 [192]
Greater
If we get common denominators
1/2=15/30
3/15=6/30
15>6 therefore 1/2>3/15
5 0
3 years ago
Help please!!!!:))))))))))))))
Ludmilka [50]
Thank you for helping me on my question hopefully someone answers it❤️
3 0
3 years ago
Lines p and q are parallel. what is the measure of angle 3 in degrees?
Dmitrij [34]
The correct answer is 27
8 0
3 years ago
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