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Savatey [412]
4 years ago
6

G(x)=x^2+4x Find G(-z)

Mathematics
1 answer:
ivanzaharov [21]4 years ago
8 0
2x^2-4x+2=x+2. 2x^2-4x+2-x-2=0. 2x^2<span>-3x-0=0. use quadratic formula = </span>(-b+- squareroot(b^2-4ac))/2a. so ur a=2<span> b=-3 c=0.  hope this helped</span>
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Jackson says has an odd number of model cars.he has 6 cars on one shel and 8 cars on another shelf.is jackson correct?explain
grigory [225]
No. It's rather simple, down to addition. Ask yourself, what does 6 + 8 equal? 6 + 8 = 14. Now is this an odd number? No, 14 is an even number.

I hope this helps! If not I'm sorry. 
4 0
3 years ago
James plays game of chess with his younger brother,Edward, every evening, James' win-loss ratio is 7:9 What is Edward's win-loss
MrMuchimi
<h3>its must be 2:9</h3><h3>James wins more often.</h3>

i hope that was helpful

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6 0
3 years ago
How many irrational numbers are there in the following list? I can't do this cause I don't have a calculator to help me.
snow_lady [41]
The answer is 8 because you count all the numbers exept the fractions the fractions you count as one number
7 0
3 years ago
A little help would be appreciated!!!!!
Svetradugi [14.3K]

Answer:

The correct option is A.

Step-by-step explanation:

Braxton is testing 2 different types of motor oil in his truck to determine which one will last longer.

Now, he adds Brand A to the truck and Brand B to his sister's car.

Now, as Braxton wants to test the motor oil in his truck so there is no need of adding the motor oil to his sister's car as by doing so he cannot result in to a meaningful conclusion.

So, Braxton need to add both the motor oil into his truck one by one.

Hence, The conclusion of Braxton is not valid because he added Brand B to his sister's car, not the truck.

Therefore, The correct option is A.

8 0
3 years ago
Read 2 more answers
Consider the equation below. (If an answer does not exist, enter DNE.) f(x) = x^3 − 3x^2 − 9x + 4 (a) Find the interval on which
Eduardwww [97]

Answer:

(-∞, -1 )∪(3, ∞)

Step-by-step explanation:

Given function,

f(x) = x^3 - 3x^2 - 9x + 4

Differentiating with respect to x,

f'(x)=3x^2-6x-9

For increasing or decreasing,

f'(x) = 0

\implies 3x^2-6x-9=0

By quadratic formula,

x=\frac{-(-6)\pm \sqrt{(-6)^2-4\times 3\times -9}}{6}

=\frac{ 6\pm \sqrt{36+108}}{6}

=\frac{6\pm \sqrt{144}}{6}

\frac{6\pm 12}{6}

\implies x = 3\text{ or } x = -1

In interval (-∞, -1 ), f'(x) = positive,

⇒ f(x) is increasing on (-∞, -1 ),

In interval (-1, 3), f'(x) = negative,

⇒ f(x) is decreasing on (-1, 3),

In interval (3, ∞), f'(x) = positive,

⇒ f(x) is increasing on (3, ∞),

5 0
3 years ago
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