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arlik [135]
3 years ago
5

If f(x) = -x^2+3x, find (-5)

Mathematics
1 answer:
love history [14]3 years ago
4 0
The A/= it means the answer is okay.

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soldi70 [24.7K]

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Can someone also help me with this one?
serg [7]

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120

Step-by-step explanation:

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3 years ago
Solve using any method. −2x+y=−3 x+y=3 ( 5, 2) ( 1, 2) ( 2, 5) ( 2, 1)
nignag [31]

Answer:

Therefore the solution set is (x , y) = ( 2 , 1 )

Step-by-step explanation:

Given:

-2x+y=-3  ...............Equation ( 1 )

x+y=3\\  ...............Equation ( 2 )

\therefore y=3-x     ...............Equation ( 3 )

To Find:

x = ?

y = ?

Solution:

Using Substitution Method we will have

Substitute  above ' y ' Equation 3 in Equation 1 we get

-2x+(3-x)=-3\\-2x-x=-3-3\\-3x=-6\\3x=6\\x=\dfrac{6}{3}=2\\\\x=2

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y=3-2=1\\y=1

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5 0
2 years ago
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