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labwork [276]
2 years ago
13

Find g(-4) if g(x) = 8x^2 + 4x

Mathematics
1 answer:
amid [387]2 years ago
7 0

Answer:

x = - 4

g(x) = 8 {x}^{2}  + 4x

g(- 4) =?

g( - 4) = 8( { - 4)}^{2}  + 4( - 4) \\ g( - 4) = 8 \times 16 - 16 \\ g( - 4) = 128 - 16 \\ g( - 4) = 112

=> g (- 4) = 112.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

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Find the distance between the points (1, 5) and (1, -4). 3 √(41) 9
8_murik_8 [283]

Answer:

The distance between the givens points is 9 unit

Step-by-step explanation:

Given points are as :

A = ( 1 , 5 )

B = ( 1 , - 4 )

So, The Distance between points A and B = AB

Now, From Distance formula

AB = \sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}}

Or, AB =  \sqrt{(1 - 1)^{2}+( - 4 - 5)^{2}}

Or, AB =  \sqrt{0 +81}

Or,  AB = \sqrt{81} = 9

Hence The distance between the givens points is 9 unit  Answer

5 0
3 years ago
Help please and simplify answer in radical form if needed
deff fn [24]

Answer:

16\sqrt{3}\:\mathrm{units^2}

Step-by-step explanation:

The area of an equilateral triangle with side length s is equal to \frac{\sqrt{3}}{4}s^2. Since the perimeter is 24 units and there are three equal sides to an equilateral triangle, each side is 24\div 3=8 units.

Substituting in this value, we get:

\frac{\sqrt{3}}{4}8^2=\frac{64\sqrt{3}}{4}=\boxed{16\sqrt{3}}

6 0
2 years ago
20 POINTS!!!
choli [55]

Hello from MrBillDoesMath!

Answer:

x = 0, 7

Discussion:

f(g(x)) =

f ( x^2-7x) =

1/ ( x^2 - 7x)


The points NOT in the domain are those where the denominator,  x^2 - 7x = 0.

x^2 - 7x   = 0       =>       factor x from each term

x(x-7) = 0            =>        one or both terms must each 0

x = 0 or x =7


Thank you,

MrB


6 0
3 years ago
Please help me I DO NOT UNDERSTAND
stepladder [879]
Are they asking for the surface area?
8 0
2 years ago
Please do this correct if inappropriate then report and no LINKS and also will do brainly
Nuetrik [128]
Mean=87.5
Median=88
Mode=79,85,86,90,92,93 so technically all the numbers show are the mode cause they all repeat 1 time but if there were two of the same number that would be the mode cause there’s two and not one so you always go by which one repeats more!
4 0
2 years ago
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