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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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vesna_86 [32]

Answer:

X is 70 degrees

Step-by-step explanation:

In a triangle, all the angles add up to 180.

We can set up an equation:

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Can yall help me please?
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Step-by-step explanation:

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Complete the equations so that the solution of the system of equations is (−1, −4). y= ?X−11 6x− ? Y=10
eimsori [14]

Answer:

y = –7x – 11

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Step-by-step explanation:

From the question given above, we obtained:

x = –1

y = –4

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6x – ?y = 10b......... (2)

Let the two unknown be a and b. Thus the above equation becomes:

y = ax – 11 ......... (3)

6x – by = 10 .......(4)

Next, we shall determine the value of 'a' and 'b'. This can be obtained as follow:

For a:

y = ax – 11

x = –1

y = –4

–4 = a(–1) – 11

–4 = –a – 11

Collect like terms

–4 + 11 = –a

7 = –a

Multiply through by –1

a = –7

For b:

6x – by = 10

x = –1

y = –4

6(–1) – b(–4) = 10

–6 + 4b = 10

Collect like terms

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Divide both side by 4

b = 16 / 4

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Finally, we shall substitute the value of a and be into equation 3 and 4 respectively.

y = ax – 11

a = –7

y = –7x – 11

6x – by = 10

b = 4

6x – 4y = 10

Therefore, the complete equation are:

y = –7x – 11

6x – 4y = 10

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Grace [21]

Answer:

I think a picture can explain better than me!

Step-by-step explanation:

Have a good day.

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