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3 years ago

PLEASE HELP What is the range of this function? -1, -4, 4, 1, 8, 7, 18, 15

Mathematics

2 answers:

Ahat [919]3 years ago

5 0

the range of the function are the values that the domain map to

here range { - 4, 1, 7 , 15 }

leva [86]3 years ago

4 0

The range is the output values (also known as the y values)

-4, 1, 7 ,15 or letter B

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3 years ago

Find the following equation

adoni [48]

Answer:

$y=\frac{-1}{2}x+7$

Step-by-step explanation:

Slope intercept form: $y=mx+b$ when $m$ is the slope of the line and $b$ is the y-intercept (the y-coordinate of the point the line crosses the y-axis)

1) Find the slope ( $m$ )

$m=\frac{y_2-y_1}{x_2-x_1}$ when the points are $(x_1,y_1)$ and $(x_2,y_2)$

We can use any two points that the table gives us to plug into this equation. For example, we can use the points (14,0) and (0,7):

$m=\frac{0-7}{14-0}\\m=\frac{-7}{14}$

Simplify the fraction

$m=\frac{-1}{2}$

So far, our equation looks like this:

$y=\frac{-1}{2}x+b$

2) Find the y-intercept ( $b$ )

The y-intercept is the y-coordinate of the point the line crosses the y-axis, or in other words, it's the value of y when x is equal to 0.

Looking at the table, we can see that y is equal to 7 when x is equal to 0, so, therefore, $b=7$ .

Now, this is our final equation after plugging in $m$ and $b$ :

$y=\frac{-1}{2}x+7$

I hope this helps!

3 0

3 years ago

Priya spent 1/2 of the day hiking. She was lost 5/6 of the time that she was hiking. What fraction of the day was Priya lost

Vadim26 [7]

Answer:

$\frac{5}{12}$ fraction of the day was Priya lost

Step-by-step explanation:

As per the statement:

Priya spent 1/2 of the day hiking.

⇒She spent for hiking = 1/2 of the day.

It is also given that:

She was lost 5/6 of the time that she was hiking.

⇒ $\text{She lost} = \frac{5}{6} \times \text{She was hiking}$

Substitute the given values we have;

$\text{She lost} = \frac{5}{6} \times \frac{1}{2} = \frac{5}{12}$ of the day

therefore, $\frac{5}{12}$ fraction of the day was Priya lost

5 0

3 years ago

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