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Nataly_w [17]
3 years ago
10

What is the inverse of the function f(x) = 2x + 1?

Mathematics
1 answer:
Rasek [7]3 years ago
5 0
X= - 1/2 , To find x- intercept zero , substitute f (x) = 0 , then just solve the equation for X , Hope this helped
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Graph the line with: a slope of -5 and y intercept of 4. PLEASE HELP
worty [1.4K]

The y intercept of 4 means the graph crosses the vertical y axis at 4. More specifically this location is (0,4)

Start at (0,4) and move down 5 units and then move to the right 1 unit. You should arrive at (1,-1). The movement rule of "down 5, over to the right 1" is taken exactly from the slope of -5 = -5/1.

After plotting the two points (0,4) and (1,-1), draw a straight line through them both. Extend this line as far as you can in either direction. The graph is now completed.

<h3>In summary, this line goes through (0,4) and (1,-1)</h3>

Side note: The equation of this line is y = -5x+4. It is in slope intercept form.

5 0
3 years ago
Please help me with this it's algebra WILL GIVE BRAINLIEST and 5 points
zalisa [80]

Answer: Graph C

Step-by-step explanation:

y-2 < -2x+2

y<-2x+4

slope is negative so it goes down. y int is 4.

insert (0, 0) into equation and 0 < 4 is true so shade where the origin is.

4 0
2 years ago
The system of equations y = –2x + 1 and y = x + 5 is shown on the graph below. Which statement is true about the solution to the
Semenov [28]

Answer:

the answer is a

Step-by-step explanation:

y = -2x +1

y = x + 5

-2x+1=x+5

-3x = 4

x= -4/3

y = -1 1/3 + 5= 3 2/3

8 0
3 years ago
Mr. Santon bought 2.6 yards of fabric for $8.94 about how much was the cost per yard
Zanzabum
Since this question is asking for the unit rate of the cost per yard of fabric, think of this as a ratio and proportions question where 2.6:8.94 = 1:x (represents the cost per yard).
To solve, cross multiply to get 2.6x=8.94
Then, solve for x and you get about $3.44 per yard
5 0
3 years ago
What is the measure of the angle shown with the question mark?
miskamm [114]
C 112 ----------------
5 0
3 years ago
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