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2 years ago

Help this is due in 1 hour .

Mathematics

2 answers:

kvv77 [185]2 years ago

8 0

Answer:

Step-by-step explanation:

it is c because the x axis is 3 and three over and the y axis it is right on 4

olga55 [171]2 years ago

4 0

Answer:

Step-by-step explanation:

just out b i dont have time to explain

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3.) Find the domain and range for each of the following functions.

Delvig [45]

Domain is x’s and range is y’s.

For a, the domain is -2<=x<1
For a, the range is 1<=y<2

For b, the domain is 1<=x<=2
For b, the range is -2<=y<=2

(The <= is the ones with a line under, meaning equal to, if that makes sense. So write with a line under rather than equal sign)
Hope this helps!

6 0

2 years ago

PLEASE I NEWD HELP ON THIS

Zarrin [17]

Answer:

5. Inequality form: n ≥ 3

Interval notation: [3, ∞)

6. Inequality form: x < 4

Interval notation: (- ∞, 4)

11. Inequality form: x > 50

Interval notation: (50, ∞)

12. Inequality form: y $\geq$ 8

Interval notation: [8, ∞)

15. Inequality form: z < 8

Interval notation: (- ∞, 8)

16. Inequality form: y $\geq$ 4

Interval notation: [4, ∞)

Step-by-step explanation:

I tried to graph them as best as I could, I hope this helps!

7 0

2 years ago

Which equations represent the line that is perpendicular to the line 5x − 2y = −6 and passes through the point (5, −4)? Select t

nignag [31]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

On the other hand we have that if two lines are perpendicular, then the product of their slopes is -1. So:

$m_ {1} * m_ {2} = - 1$

The given line is:

$5x-2y = -6\\-2y = -6-5x\\2y = 5x + 6\\y = \frac {5} {2} x + \frac {6} {2}\\y = \frac {5} {2} x + 3$

So we have:

$m_ {1} = \frac {5} {2}$

We find $m_ {2}:$ $m_ {2} = \frac {-1} {\frac {5} {2}}\\m = - \frac {2} {5}$

So, a line perpendicular to the one given is of the form:

$y = - \frac {2} {5} x + b$

We substitute the given point to find "b":

$-4 = - \frac {2} {5} (5) + b\\-4 = -2 + b\\-4 + 2 = b\\b = -2$

Finally we have:

$y = - \frac {2} {5} x-2$

In point-slope form we have:

$y - (- 4) = - \frac {2} {5} (x-5)\\y + 4 = - \frac {2} {5} (x-5)$

ANswer:

$y = - \frac {2} {5} x-2\\y + 4 = - \frac {2} {5} (x-5)$

3 0

2 years ago

Read 2 more answers

If f(x) and its inverse function, f^-1(x), are both plotted on the same coordinate plane, what is their point of intersection?

Romashka-Z-Leto [24]

Answer:

(a, a)

Step-by-step explanation:

actually there are two cases, don't have intersection and have. if have intersection, then they intersect at line y = x or point (a, a) by definition of inverse function.

8 0

2 years ago

Read 2 more answers

X^4 a^5 / x^3 a^3 answers x^2 a^2 xa^2 x^-1 a^-2 a^2/x

bagirrra123 [75]

Well the answer i got was $a^{8}x$ when i multiplied
the answer i got when i added was $x^{4} + \frac{ a^{5} }{ x^{3} } + a^{3}$

3 0

2 years ago