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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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consider the line y= 2/3x-0. Find the equation of the line that is parallel to this line and passes through the point (8, 4).
tresset_1 [31]
Point-slope form of a line: we need a point (x₀,y₀) and the slope "m".
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slope intercept form :
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If the line is parallel to y=2/3 x-0, the line will have the same slope, therefore the slope will be: 2/3.

Data:
(8,4)
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y-y₀=m(x-x₀)
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y-4=2/3 x-16/3
y=2/3 x-16/3+4
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if we have the next slope "m",then the perendicular slope will be:
m´=-1/m

We have this equation: y=2/3 x+0; the slope is: m=2/3.

The perpendicular slope will be: m`=-1/(2/3)=-3/2

And the equation of the perpendicular line to : y=2/3 x+0, given the point (8,4) will be:

y-y₀=m(x-x₀)
y-4=-3/2 (x-8)
y-4=-3/2 x+12
y=-3/2x + 12+4
y=-3/2x+16

answer: the perpendicular line to y=2/3 x+0 , given the point (8,4) will be:
y=-3/2 x+16
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Solve:
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