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3 years ago

5

What is the range of f(x)?

1 answer:

baherus [9]3 years ago

5 0

Answer:

The range of f(x) is D, -5 <= y <= -1

Step-by-step explanation:

Range means how far a line travels on the y axis. This line goes up to -1 and down to -5. The circles are filled in, meaning that that number is part of the range, so you would use a line under each inequality as an "equal to" sign. (I can't type that under my inequalities so I used <= instead.) If the circles were open, it would just be a < or > sign, without the equals sign or line under it.

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Find the co-ordinates of the point of trisection of the line joining the points A(1,8) and B(4,2).

Licemer1 [7]

<u>coordinates of the point are (2,6) and (3,4)</u>

Answer:

Solution given:

let the given point be A(1,8) and B(4,2).

P and Q are the two points on AB such that

AP=PQ=QB=k

now

comparing AP and PB

AP=k

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ratio of AP and PB = $\frac{1k}{2k}$ = ratio 1:2

now

finding p

for this

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For AB

$(x_1,y_1)=(1,8)$

$(x_2,y_2)=(4,2)$

now by using division formula

$(x,y)=(\frac{m_1x_2+m_2x_1}{m_1+m2},\frac{m_1y_2+m_2y_1}{m_1+m2})$

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similarly

Q divides AB

Ratio of AQ and QB = $\frac{2k}{1k}$ = ratio 2:1

$(x_1,y_1)=(1,8)$

$(x_2,y_2)=(4,2)$

$(m_1,m_2)=(2,1)$

by using division formula

$(a,b)=(\frac{m_1x_2+m_2x_1}{m_1+m2},\frac{m_1y_2+m_2y_1}{m_1+m2})$

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3 years ago

Question 8 HELPPPPPPPPPPPPPP

PolarNik [594]

Answer:

it would be at 3

cause double negatives cancel out- if u c something like -- or -(-) they would become a positive- so you would plot it at positive 3

hope this helps (again lol)

<33

Step-by-step explanation:

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