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stich3 [128]
3 years ago
12

F(x)=-4x²-6x-1and g(x)=-x²-5x+3 find (f+g)(x)

Mathematics
1 answer:
gtnhenbr [62]3 years ago
5 0

(f + g)(x) =  - 4 {x}^{2} - 6x - 1 -  {x}^{2} - 5x + 3 \\

(f + g)(x) =  - 5 {x}^{2} - 11x + 2 \\

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

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3/13 as a long division and decimal show work
motikmotik
You most likely only need the first 3 digits after the decimal point but if you needed more i added them! hope this helps

4 0
2 years ago
Read 2 more answers
If f(x) = x2 − 81 and g(x) = x+9/x-9, find g(x) · f(x).
dexar [7]

Answer:

f(x) = x² - 81 = ( x+ 9)(x - 9) Difference of two squares

g(x) = x+9/x-9

g(x) . f(x) = x + 9/ x - 9 × (x+9)(x - 9)

= ( x + 9)(x +9)

= ( x + 9)²

= x² + 18x + 81

Hope this helps.

3 0
3 years ago
Os
algol [13]

Answer:

\boxed{\sf{4}}}

Step-by-step explanation:

Use a slope form.

<u>Slope:</u>

\sf{\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{rise}{run}  }

y₂ = (17)

y₁ = (1)

x₂ = (2)

x₁ = (-2)

Then, rewrite the problem.

Solve.

\sf{\dfrac{17-1}{2-(-2)}=\dfrac{16}{4}=\dfrac{16\div4}{4\div4}=\dfrac{4}{1}=\boxed{\sf{4}    }

Therefore, the slope is 4, which is our answer.

I hope this helps you! Let me know if my answer is wrong or not.

5 0
2 years ago
A person suspects a standard number cube is not so standard. Another person rolls this cube 100 times, and it lands on a six 42
Ksju [112]

Answer:

The chance of an average six-sided number cube landing one one number is 1/6, or approximately 16.67%. When rolling a number cube 100 times, the average number of times it lands on any specific number should be fairly close to 16.67.

A 6 being rolled 42 times and 33 times means that it is <em>very likely</em> not to be a standard number cube. Although we cannot know for certain, the chance of this happening is very low.

3 0
3 years ago
The area, A, of a triangle is 15.3 square centimeters. Its base, b, is
viva [34]

Answer:

Questions 13-15 will all be related to the same situation.

A food pantry is making packages. Each package weighs 64 pounds. Each package contains 4 boxes. Each box contains a 7-pound bag of beans and a bag of rice. The bags of rice are all identical.

Which equation accurately represents this situation?

Step-by-step explanation:

8 0
3 years ago
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