How do I graph the function y=3x-7

1 answer:

4 0

-7 is the y-intercept
3 is the slope.

start point at -7 in the y-axis and then count 3 units up and 1 unit right and make another point. Then make a straight line through the two points. The line is infinite.
I hope you get it :)

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An = 5 - 7n. What is the value of a12?

Delicious77 [7]

Answer:

The value of $a_{12}=-79$

Step-by-step explanation:

Being the general expression of the sequence:

$a_n=5-7n$

We replace the value n=12 to get

$a_{12}=5-7\times 12=5-84=-79$

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3 years ago

What is the slope of the graph of 4 x + 8 y = 11?

Karolina [17]

Answer:

B -1/2

Step-by-step explanation:

4x+8y = 11

We need to get the equation in the slope intercept form

y = mx+b where m is the slope and b is the y intercept

Subtract 4x from each side

4x-4x+8y = -4x+11

8y = -4x+11

Divide by 8

8y/8 = -4x/8 +11/8

y = -1/2x +11/8

The slope is -1/2 and the y intercept is 11/8

8 0

3 years ago

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What are the domain and range of the function f(x) = 3^x + 5

Sati [7]

The range is y values and domain is x values

y intercept here is 5 and since the function is increasing thus the range would be all real values bigger than or equal to 5

And the domain would be all real numbers.

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3 years ago

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. Which of the following is equivalent to 7 - 2(x + 2) < -4 - 3(1 - x)?

andre [41]

Step-by-step explanation:

$7 - 2(x + 2) < -4 - 3(1 - x)$