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Serjik [45]
3 years ago
11

1. What is the axis of symmetry of the equation? (1 point)

Mathematics
1 answer:
GalinKa [24]3 years ago
7 0

Answer:

x=3

Step-by-step explanation:

2 Subtract 44 from both sides.

y-4=2(x-3)y−4=2(x−3)

3 Divide both sides by 22.

\frac{y-4}{2}=x-3

​2

​

​y−4

​​ =x−3

4 Add 33 to both sides.

\frac{y-4}{2}+3=x

​2

​

​y−4

​​ +3=x

5 Switch sides.

x=\frac{y-4}{2}+3x=

​2

​

​y−4

​​ +3

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Show that the transformation T defined by<br>T(x1, x2) = (2x1 - 3x2, X1+4, 5x2) is not linear.<br>​
erastovalidia [21]

Let <em>u</em> = (1, 0) and <em>v</em> = (0, 1). Then

<em>T</em> (<em>u</em>) = (2*1 - 3*0, 1 + 4, 5*0) = (2, 5, 0)

<em>T</em> (<em>v</em>) = (2*0 - 3*1, 0 + 4, 5*1) = (-3, 4, 5)

=>   <em>T</em> (<em>u</em>) + <em>T</em> (<em>v</em>) = (-1, 9, 5)

but

<em>T</em> (<em>u</em> + <em>v</em>) = <em>T</em> (1, 1) = (2*1 - 3*1, 1 + 4, 5*1) = (-1, 5, 5)

=>   <em>T</em> (<em>u</em> + <em>v</em>) ≠ <em>T</em> (<em>u</em>) + <em>T</em> (<em>v</em>)

which means <em>T</em> does not preserve addition, so it is not linear.

4 0
3 years ago
What is the value of x if 7-9x=10 plz help
NeX [460]
The value of x is 12
7 0
3 years ago
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Solve 6x + 3) = 21.
LiRa [457]

Answer:

18x^2 - 9

Step-by-step explanation:

y = f(x)= 6x^3 - 9x + 4

dy/dx = d/dx(6x^3) - d/dx(9x) + d/dx (4)

=6.d/dx(x^3) - 9.d/dx (x) + d/dx. (4)

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8 0
3 years ago
What is this? I don't know and I'm struggling bad please help
faltersainse [42]

Answer:

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y = mx + c where m is the slope and c is the y-intercept.

The slope has been changed from 2 to 4. The higher the slope, the steeper it is. Thus, the slope is steeper now.

4 0
3 years ago
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What’s a real number between the square root of 13 and the square root of 14
Pie

Real numbers can be both rational and irrational.

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sqrt(14) = 3.74166

If you're looking for a rational number, there are lots of them to choose from. Easiest is probably 3.7 = 37/10.

An irrational number in this range might be sqrt(27/2).

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