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Serjik [45]
3 years ago
15

A line has a slope of

Mathematics
2 answers:
mr_godi [17]3 years ago
5 0

Answer:

Well, I can't see the graph but the y-intercept is the point on the line to where if you are on 0 either go up or down and the point the line is on is the y-intercept.

Nuetrik [128]3 years ago
4 0

Answer:

.75

Step-by-step explanation:

trust meeeeee

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Explain why f(x) = x^2+4x+3/x^2-x-2 is not continuous at x = -1.
liberstina [14]

Answer:

The value of x = -1 makes the denominator of the function equal to zero. That is why this value is not included in the domain of f(x)

Step-by-step explanation:

We have the following expression

f(x) = \frac{x^2+4x+3}{x^2-x-2}

Since the division between zero is not defined then the function f(x) can not include the values of x that make the denominator of the function zero.

Now we search that values of x make 0 the denominator factoring the polynomial x^2-x-2

We need two numbers that when adding them get as a result -1 and when multiplying those numbers, obtain -2 as a result.

These numbers are -2 and 1

Then the factors are:

(x-2) (x + 1)

We do the same with the numerator

x^2+4x+3

We need two numbers that when adding them get as a result 4 and when multiplying those numbers, obtain 3 as a result.

These numbers are 3 and 1

Then the factors are:

(x+3)(x + 1)

Therefore

f(x) = \frac{(x+3)(x+1)}{(x-2)(x+1)}

Note that \frac{(x+1)}{(x+1)}=1 only if x \neq -1

So since x = -1 is not included in the domain the function has a discontinuity in x = -1

3 0
3 years ago
taylor bought 2 bottles of orange juice and a bottle of apple juice for $6.55. The bottle of apple juice cost $0.35 less than th
Kryger [21]
$6.90 :)


You add $0.35 to the $6.55 that the apple juice cost. That would get you to $6.90
5 0
3 years ago
Read 2 more answers
James is building a sandbox with a width of 4.8 feet and a length of 7.7 feet. ABOUT how much wood will James need to buy to con
4vir4ik [10]

Answer:

it is 25 ft

Step-by-step explanation:

you just add 7.7+7.7+4.8+4.8 to get 25

8 0
3 years ago
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Let f(x) = x2 – 4, x < 0. What is f-1?
Galina-37 [17]

Answer:

-3

Step-by-step explanation:

f(x) = x2 – 4

replace x with -1

f(-1) = (-1)^2 – 4

= -3

5 0
2 years ago
What is -2y + -4y. Simplify the answer.
gavmur [86]

Step-by-step explanation:

Explanation is in the attachment

hope it is helpful to you

8 0
3 years ago
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