[20PTS] Multiply or divide as indicated. x -3 • x 7

Mathematics

1 answer:

marta [7]3 years ago

3 0

Answer:

the answer would be divide, because of the negative 3 in the answer.

just remember when there is a negative in the equation it is almost always do the opposite.

have fun and be you <3

Step-by-step explanation:

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Find the requested function and state domain. Find f·g, for f(x)=1/x-5 and g(x)= 7/x

Flura [38]

We have the following functions:
f (x) = 1 / (x-5)
g (x) = 7 / x
Multiplying the functions we have:
f · g = (1 / (x-5)) * (7 / x)
Rewriting:
f · g = (7 / x (x-5))
f · g = (7 / (x ^ 2-5x))
The domain of the function is:
All reals less:
x = 0
x = 5
Answer:
f · g = (7 / (x ^ 2-5x))
The domain of the function is:
All reals less:
x = 0
x = 5

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3 years ago

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Neko [114]

Answer:

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Step-by-step explanation:

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4 0

3 years ago

In triangle DEF, segment DJ is a perpendicular bisector of side EF. If EJ is 3y-8 and JF is 7y-40, what is the length of JF?

luda_lava [24]

Answer: The length of JF = 16 units.

Step-by-step explanation:

Given: In triangle DEF, segment DJ is a perpendicular bisector of side EF.

i.e. DJ is perpendicular to EF and DJ divides EF into two equal parts EJ and JF. [The perpendicular bisector is a line that is perpendicular to a line segment and splits it into two congruent segments.]

If EJ is 3y-8 and JF is 7y-40.

Then, $3y-8=7y-40$