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Mathematics

1 answer:

Novosadov [1.4K]4 years ago

8 0

Answer:

the correct answer is A)

Step-by-step explanation:

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Write a rule for the linear function in the graph<br> Plz help

Scilla [17]

Answer:

y = -x +4

Step-by-step explanation:

The y-intercept of the line is at +4, so the only viable choice is the last choice.

___

Each of the equations is shown in slope-intercept form:

y = mx + b

where b is the y-intercept, the y-value when x=0. The graph shows that as point (0, 4). So, the equation you're looking for is ...

y = (some x-term) +4

If you want to spend more brain power on the problem, you can compute the slope of the line as ...

m = ∆y/∆x = (1-4)/(3-0) = -3/3 = -1

Now, you know for sure the equation of the line is ...

y = -x +4

4 0

4 years ago

Which number line shows the solution to the inequality 4x - 3> -7 ?

MrRissso [65]

Answer:

Step-by-step explanation:

solve the equation in form of x

7 0

3 years ago

Please help I’ll give you guys brainiest!<br><br><br> Thank youuuuuuu :))

mariarad [96]

Hi there!

$\large\boxed{\left \{ {{y\geq -x + 3} \atop {y > 2x - 3}} \right.}$

We can begin by looking at the solid-line pictured in the graph.

Using the slope-formula, we can derive the slope from this line:

$\text{Slope } = \frac{ y_2 - y_1 } { x_2 - x_1 }$

Plug in points from the line:

$m = \frac{0- 3 } { 3 - 0} = -1$

We can also see that the graph has a y-intercept, or "b" value of 3. The line is a solid line including values above it, which means we must use a "greater than or equal to" symbol. Therefore, the final equation is:

y ≥ -x + 3

The second line is dashed and also has values shaded above its graph. We can use this later to make an equation, but let's solve for the slope for now. Use the same equation as above:

$m = \frac{1-(-3)}{2-0} = 4/2 = 2$