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Dennis_Churaev [7]
3 years ago
10

Write the equation in slope-intercept form that contains the following two points.

Mathematics
1 answer:
viva [34]3 years ago
6 0

Answer:

y = -3/2 x +5

Step-by-step explanation:

slope = (y2-y1)/(x2-x1)

m= (8--1)/(-2-4)

m= (8+1)/(-2-4)

m= (9/-6)

m=-3/2


point slope form

y-y1=m(x-x1)

y--1 = -3/2(x-4)

distribute

y+1 = -3/2x +3/2 *4

y+1 = -3/2x + 6

subtract 1 from each side

y = -3/2 x +6-1

y = -3/2 x +5

this is in slope intercept form (y=mx+b)

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Given f(x) = log2x, which of the functions below represents g(x) resulting from reflecting the graph of f(x) in the x-axis and s
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Answer:

g(x) = log(2x+2)

Step-by-step explanation:

<em>The question has missing options ; However, the question is still solvable</em>

Given

f(x) = log2x

Direction = 2 units left

Required

Shift the function by 2 units in the x axis

The general format of shifting a function along the x axis (by the left) is as follows

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c = 2

Since f(x) = log2x, then

g(x) = log(2x+2)

8 0
3 years ago
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If f(x)=3x² - 4 and g(x)=x+2, find (f - g)(x).​
nika2105 [10]

Answer:

D

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

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= 3x² - 4 - x - 2 ← collect like terms

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3 0
2 years ago
Will ran 120 minutes in the past two days. He ran 20 more minutes the second day than the first day. how many minutes did he run
valentinak56 [21]
Here is the equation: x+(x+20) = 120

Since you can't combine anything yet, its x+x+20=120

You need to get x by itself

Minus 20 from both sides

Its x+x=100 now

Combine the x's which is now 2x

Now divide 100 by 2 which is 50

x=50
---------------

Lets check:

50+(50+20)=120

Now combine the numbers in the parentheses

Its now 50+70=120

50+70=120 and 70-50=20

As you can see, he ran 50 minutes the first day and 70 minutes the second day 
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3 years ago
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ivanzaharov [21]

Answer:

C

Step-by-step explanation:

i know this is correct

8 0
2 years ago
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finlep [7]
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3 years ago
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