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ankoles [38]
4 years ago
15

What is the domain of the function f(x)=√6−2x?

Mathematics
1 answer:
Mumz [18]4 years ago
8 0
Domain of f(x) = √6 - 2x is {x | -∞ < x ≤ 3}
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Inverse cosine of square root of 3 over 2? cos-1(square root of 3/2)
Amiraneli [1.4K]
Cos(x°) = (√3)/2
cos⁻¹[(√3)/2] = x°, that means x° = 30°
8 0
3 years ago
1/3+1/3x+8/3=-1/3(6x+11)
ivann1987 [24]

Answer:

x=-20/7 or -2.857

Step-by-step explanation:

bring like terms together in each side of the = side

then work the out

3 0
3 years ago
Graph the linear equation.find three points that solve the equation,then plot on the graph -3x++2y=11
Katarina [22]

-3x+2y=11\qquad\text{add 3x to both sides}\\\\2y=3x+11\qquad\text{divide both sides by 2}\\\\y=\dfrac{3}{2}x+\dfrac{11}{2}\\\\for\ x=1\to y=\dfrac{3}{2}(1)+\dfrac{11}{2}=\dfrac{3}{2}+\dfrac{11}{2}=\dfrac{14}{2}=7\to(1,\ 7)\\\\for\ x=-3\to y=\dfrac{3}{2}(-3)+\dfrac{11}{2}=-\dfrac{9}{2}+\dfrac{11}{2}=\dfrac{2}{2}=1\to(-3,\ 1)\\\\for\ x=-5\to y=\dfrac{3}{2}(-5)+\dfrac{11}{2}=-\dfrac{15}{2}+\dfrac{11}{2}=-\dfrac{4}{2}=-2\to(-5,\ -2)

3 0
3 years ago
2. What is another word to describe<br> absolute value?<br><br> Osum<br> O distance
gladu [14]

Answer:

distance

Step-by-step explanation:

lets say -7 what is -7 distance from 0

so the absolute value of -7 is 7

6 0
3 years ago
Read 2 more answers
What is the slope of the line on the graph? Enter your answer in the box. A coordinate grid that includes the line y equals nega
RUDIKE [14]

we have

the equation of the line is y=-2x

the points are

A(3,-6)\\B(0,0) \\C(-3,6)

<u>Method 1</u>

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

In this problem we have a direct variation

The constant of proportionality k is equal to the slope of the line

k=-2

so

m=-2

therefore

<u>the answer is</u>

the slope of the line is equal to

m=-2

<u>Method 2</u>

we know that

the formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

A(3,-6)\\B(0,0)

substitute in the formula

m=\frac{0+6}{0-3}

m=\frac{6}{-3}

m=-2

therefore

<u>the answer is</u>

the slope of the line is equal to

m=-2


3 0
4 years ago
Read 2 more answers
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