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zmey [24]
3 years ago
6

30PTs PLZ HelpASAP

Mathematics
2 answers:
Studentka2010 [4]3 years ago
6 0
I think the answer is a
Elina [12.6K]3 years ago
5 0
A I hope this helps
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Given f(x)=x^2-4x+5, what's the value when f(2)
Reil [10]

If you were to replace the x's with 2, your equation would turn into:

(2)^2-4(2)+5

From there, you'd just solve.

4-8+5=1

Your answer would be 1.

7 0
3 years ago
AB lies on a number line. The coordinate of point A is -6. Given that AB=20, what are two possible coordinates for point B?
Dafna1 [17]

Answer:

<em>-26 or 14</em>

Step-by-step explanation:

Given that

Coordinate of point A is -6.

Length of AB = 20

To find:

Coordinates for the point B = ?

Solution:

We are given that:

AB = 20

In other words, we can use modulus function to define the distance between A and B:

|Coordinates of B - Coordinates of A| = 20

Let the coordinates of B = x

Kindly refer to the attached image for the given situation.

Point B might be either on the left or on the right side of A.

That means:

|x-(-6)| = 20\\\Rightarrow |x+6|=20

Now, let us have a look at the modulus function:

|y|=\left \{ {-{y}\ if\ y0} \right.

So,

|x+6|=\left \{ {-{(x+6)}\ if\ (x+6)0} \right.

(x+6 ) =20\\\Rightarrow x =14

-(x+6 ) =20\\\Rightarrow x =-26

Therefore, the answer is:

<em>-26 or 14</em>

4 0
3 years ago
Lon: f(x) = 2x2 + 1<br> The answer?
ZanzabumX [31]

Answer:

Step-by-step explanation:

then the answer is 5

8 0
3 years ago
Y = 4x + 2<br> on a graph
miss Akunina [59]
Answer
X= -0.5
Y=2
If you need me to explain I can.

4 0
3 years ago
If f(x) = 3x – 2 and g(x) = 2x + 1, find (f + g)(x). please help :C
Luba_88 [7]
(f+g)(x) = f(x) + g(x)

(f+g)(x) = 3x-2 + 2x+1

(f+g)(x) = (3x+2x) + (-2+1)

(f+g)(x) = 5x - 1
3 0
3 years ago
Read 2 more answers
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