Give the domain for f(x) in interval notation

Mathematics

1 answer:

Pani-rosa [81]3 years ago

7 0

Domain is the x values, how far they go

it goes from x=-1 to x=7

in interval notation, range= [-1,7]
and the answer to the question in the attachment is 2

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55 divided (4 plus 7) times 6 plus(15 divided by3

Ne4ueva [31]

55/(4+7) x 6+(15/3)= 35

because...

55/(4+7)=5
5 x 6=30
30+(15/3)=35
So in total it equals to 35.

5 0

3 years ago

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If AC = 3, BC = 5, and AB = 7, find AD: 2 5/8 4 1/5 4 3/8 11 2/3

Vesna [10]

Answer:

1. $2\frac{5}{8}$

Step-by-step explanation:

We can see that CD is angle bisector, So we will use angle bisector theorem which states that the angle bisector of an angle of a triangle divides the opposite side in two segments that are proportional to the other two sides of the triangle.

We can set up an equation as:

$\frac{AC}{AD}=\frac{BC}{BD}$