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Delicious77 [7]
3 years ago
12

Find the slope from the pair of points. (0, -5) (-3,5)

Mathematics
1 answer:
bagirrra123 [75]3 years ago
5 0

Answer:

Step-by-step explanation:

your welcome

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When data points group together in a cluster from the upper left-hand side of the xy axis to the lower right-hand side, what is
schepotkina [342]
Negative correlation

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3 0
3 years ago
If f(x) = 6x + 3, find −1 ().
lianna [129]

Answer:

f^{-1}(x)=(1/6)x-(1/2)

Step-by-step explanation:

we have

f(x)=6x+3

Find the inverse function f^{-1}(x)

step 1

Let

y=f(x)

y=6x+3

step 2

Exchanges variables, x for y and y for x

x=6y+3

step 3

isolate the variable y

x=6y+3

6y=x-3

y=(1/6)x-(1/2)

step 4

Let

f^{-1}(x)=y

f^{-1}(x)=(1/6)x-(1/2)

6 0
3 years ago
How do you solve this??? I need it fast please help with steps.<br> (x+3)(x+1)^2(x−4)&gt;0
scZoUnD [109]

Answer:

  x < -3 or x > 4

Step-by-step explanation:

The product of the factors is 4th-degree, and the leading coefficient is 1 (positive).

The factors tell you the following about the zeros:

  x = -3 . . . sign change from + to -

  x = -1 . . . graph touches, but no sign change. - on either side of x=-1

  x = 4 . . . sign change from - to +

__

The function will be positive for x < -3 and for x > +4.

_____

<em>Additional comments</em>

The value of the function is zero when any of its factors is zero. The value of a factor changes sign when the value of x changes from one side of the 0 to the other. For example, here, we have x+1 as a factor, so x=-1 is a zero. When x = -0.9, the factor is positive (-0.9 +1 = 0.1). When x = -1.1, the factor is negative (-1.1 +1 = -0.1). If this factor were to the first power, it would cause the value of the function to change sign at x=-1.

However, the factor (x+1) has an even power: (x+1)^2. That means when the factor is negative, its square is positive, and when the factor is positive, its square is positive. In short, the factor (x+1)^2 causes the function to be zero at x=-1, but does not make the function change sign there.

The product of all of these factors will result in a polynomial with x^4 as the highest-degree term. That means the function is of even degree. The leading coefficient is 1, so is positive, and the function will generally have a U-shape. The left-most (odd-degree) zero will be where the function changes sign from positive to negative. The right-most (odd-degree) zero will be where the function changes sign from negative to positive. Those zeros are x=-3 and x=+4, respectively. There are no places between these where the function changes sign, so these zeros are the ends of the regions where the function is positive (>0).

3 0
2 years ago
Ivan and kate live 40 miles apart. ivan leaves his house at 8:00
Kruka [31]
<span>Ivan DATA:
rate = 12 mph ; time = t hrs ; distance = 12t miles

</span><span>Kate DATA:
rate = 16 mph ; time = t-(3/2) hrs ; distance = 16t - 24 miles

</span><span>Equation:
12t + 16t-24 = 40 miles

</span><span>28t = 64
time = 16/7 = 2hr 17 min
Ans: 8:00 + 2hr 17 min = 10:17AM</span>
3 0
3 years ago
Read 2 more answers
2⁄3 + 1⁄6 + 2⁄8 = ??
lubasha [3.4K]

Answer:

a

Step-by-step explanation:

use ur brain

4 0
3 years ago
Read 2 more answers
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