What is the range of the function f(x)= -2x-4 when the domain is {-3,-2,-1}?

1 answer:

6 0

F(-3)=(-2)*(-3)-4=6-4=2

F(-2)=(-2)*(-2)-4=4-4=0

F(-1)=(-2)*(-1)-4=2-4=-2

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ludmilkaskok [199]

P(4,-4) -->(-4, 7)

4 - 8 = -4 -------->left 8

-4 + 11 = 7 -------->up 11

Answer: left 8; up 11

C(3,-1) , left 4 up 1

3 - 4 = -1 -------->left 4

-1 + 1 = 0 -------->up 1

(x , y) -->(x - 4 , y +1)

C(3, -1) -->C'(-1 , 0)

(x , y) --> (x - 4, y + 1); (-1 , 0)

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3 years ago

Talja [164]

$(2 \times - 24) \div - 4$
which comes out as 12

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Mice21 [21]

So the right answer is of option C (-53x-145)

Look at the attached picture

Hope it will help you

Good luck on your assignment

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3 years ago

guajiro [1.7K]

Somebody? I think you can find someone like that in your school... nice profile picture.

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maw [93]

The anser is 11 you can see

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3 years ago