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S_A_V [24]
3 years ago
10

Is 3x=4 a linear function

Mathematics
1 answer:
True [87]3 years ago
7 0
No that is no question
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Write an equation for the graph of each line.<br><br>​
emmasim [6.3K]

Answer:

5. y = 2x + 4

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

Step-by-step explanation:

5. We want to find the slope-intercept form of this, which is y = mx + b, where m is the slope and b is the y-intercept.

Slope is change in y divided by change in x. Here, let's take two random points: (-2, 0) and (0, 4). Then we have:

m = (4 - 0) / (0 - (-2)) = 4 / 2 = 2

The slope is thus 2.

The y-intercept is where the line crosses the y-axis. We see it does so at the point (0, 4), so b = 4.

Our equation is thus: y = 2x + 4.

6. Again, let's find the slope. Pick any two points: (-4, 0) and (0, -2). The slope will be:

m = (-2 - 0) / (0 - (-4)) = -2 / 4 = -1/2

Now, look at the point (0, -2); that's where the line crosses the y-axis, so the y-intercept is b = -2.

Thus, the equation is: y = (-1/2)x - 2.

3 0
3 years ago
Read 2 more answers
Which of the following are integer solutions to the inequality below?<br> −2≤×&lt;3
Phoenix [80]

Answer:

-2, - 1, 0, 1, 2

Step-by-step explanation:

The greater than or equal to sign (≤) demonstrates that the unknown is equal to -2 and greater, but is less than 3, so the largest integer solution is 2, not 3

6 0
3 years ago
If f(x) = 9x – 8, which of the following is the inverse of f(x)?
zheka24 [161]

Answer: f^{-1} (x) = \frac{x+8}{9}

Step-by-step explanation:

f(x) = 9x - 8 , to find the inverse of f(x) , replace f(x) with y , then the equation becomes

y = 9x - 8 , then make x , the subject of the formula ,

9x = y + 8

x = \frac{y+8}{9}

Finally , replace x , with f^{-1} (x) and y with x  , so we have

f^{-1} (x) = \frac{x+8}{9}

8 0
3 years ago
How much is a 20% increase to $771?
Irina-Kira [14]

Answer:

$154.20

Step-by-step explanation:

To find a percent of a number, multiply the percent by the number.

20% of $771 =

= 20% * $771

= 0.2 * $771

= $154.20

The increase is $154.20

5 0
3 years ago
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On average, about 240 people visit a local food pantry every day and search up groceries. On an extremely cold day, visitors to
Charra [1.4K]
The answer is 420 people
8 0
3 years ago
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