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1 year ago

6

What is the domain of f(x) = 2|x - 3| + 1 ?

1 answer:

defon1 year ago

7 0

Domain: all reals, (-∝, ∝)

All inputs for x result in a solution.

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Help please help me please help please please help me please

GarryVolchara [31]

The answer is no. the first equation is not right

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2 years ago

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The graph represents function 1, and the equation represents function 2: A coordinate plane graph is shown. A horizontal line is

hichkok12 [17]

Hi there
It would be 145

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2 years ago

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Consider m = y2 - y1/ x2 - x1 . Which x1 and x2-values would determine that the line is vertical? Justify your answer

Y_Kistochka [10]

Answer:

$x_2=x_1$

Step-by-step explanation:

We were given the slope formula;

$m=\frac{y_2-y_1}{x_2-x_1}$

This line is vertical if the denominator is zero.

That is when $x_2-x-1=0$

This implies that;

$x_2=x_1$

Justification;

When $x_2=x_1$ , then, the line passes through;

$(x_1,y_1)$ and $(x_1,y_2)$

The slope now become

$m=\frac{y_2-y_1}{x_1-x_1}=\frac{y_2-y_1}{0}$

The equation of the line is

$y-y_1=\frac{y_2-y_1}{0}(x-x_1)$

This implies that;

$0(y-y_1)=(y_2-y_1)(x-x_1)$

$0=(y_2-y_1)(x-x_1)$

$\frac{0}{y_2-y_1}=(x-x_1)$

$0=(x-x_1)$

$x=x_1$ ... This is the equation of a vertical line.

3 0

2 years ago

Find the sum of the interior angles of a regular 14-gon.

Ira Lisetskai [31]

9514 1404 393

Answer:

2160°

Step-by-step explanation:

The sum of interior angles of a convex n-gon is ...

angle sum = 180(n -2)°

When n=14, the angle sum is ...

angle sum = 180(14 -2)° = 2160°

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2 years ago

2. Simplify the expression x^2+x-28/x^2-7x+12

tankabanditka [31]

The answer is x^4-6x^3+12x^2-28/x^2

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3 years ago