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zhannawk [14.2K]
3 years ago
14

(-7,-9) and (8,5) in slope intercept form

Mathematics
2 answers:
Solnce55 [7]3 years ago
8 0
Here is the answer: y=(14/15)x-(37/15)
Tpy6a [65]3 years ago
7 0

Y=14/15x-37/15

Step-by-step explanation:

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Growing up, Joe lived in a small town. When he left for college, the population was 840.
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Thé new population is 882
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Determine whether the graph represents a function . If it does represent a function , give its domain and range.
laiz [17]

Answer:

A function is a relationship that maps elements from a set (the domain) into elements from another set (the range)

Such that each element in the domain can be mapped into only one element from the range.

Let's see graphs 18, 20,24 and 30.

Remember that the axis that represents the domain is the horizontal one (usually represented with x), and the vertical axis represents the range (usually represented with y)

18) Here we can see that the point x = 1 his mapped into two different values of y.

we have the pair (1, 2) and the pair (1, -3)

And something similar happens for x = 2.

Then we can conclude that this is not a function.

20) Here we have a linear relationship.

Linear relationships are almost always functions, the only case when these are not functions is when the linear equation is something like x = a.

Linear equations can be written as:

y = a*x + b

So x can be any value, and thus y also can be any value.

Then the domain is the set of all real numbers, and the range is the set of all real numbers.

24) Here we have a quadratic function whose arms go down.

This is a function, now let's see the domain and range.

Quadratic functions are written as:

y = a*x^2 + b*x + c

There is no value of x can cause some problem in this equation, then this function works for all values of x, then the domain is the set of all real numbers.

Now, let's look at the graph.

We can see that the function goes up, reaches a maximum, and then goes down again.

Then the range will be the set of all the values smaller than the maximum we can see in the graph, this is:

y ∈ (-∞, 15]

or simply:

y ≤ 15.

30) Here again, we can see that for x = 0 there are two different values of y.

the same happens for x = -1, x = -2, and a lot of other values.

Then this is not a function, because it is mapping values of the domain into different values of the range.

3 0
3 years ago
Line Q has a slope of 3. Line R is parallel to line Q.What is the slope of line R?
Vladimir [108]

Answer:

3

Step-by-step explanation:

Parallel lines have the same slope

So if line Q has a slope of 3

Line R which is parallel to Q must have a slope of 3

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3 years ago
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Help me plz ASAP help help pls
spayn [35]

Answer:

x\geq -8

Step-by-step explanation:

4 0
2 years ago
Equation of the line with the given slope and point slope= -5/8 given point= (3,2)​
avanturin [10]

Answer:

x =3

y = 2

y= 15/8 (3) + 2

Step-by-step explanation:

3 0
3 years ago
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