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Elena-2011 [213]
2 years ago
7

If : f(x)=x^2, g(x)=x-1. Find (f×g)(x).​

Mathematics
1 answer:
kramer2 years ago
8 0

Answer:

  • \boxed{ f\cdot{g}(x) = x {}^{3}  - x {}^{2}}

Step by step explanation:

Given that,

f(x) =  {x}^{2}

g(x) = x - 1

Solution:

Solving for (f•g)(x):

= f(x) \cdot g(x)

Now substitute the given values.

= x {}^{2}  \cdot(x - 1)

= x {}^{2} (x - 1)

Apply distributive property:

= (x ^{2}  \cdot x) - x {}^{2}  \cdot 1

  • \boxed{ f\cdot{g}(x) =  x {}^{3}  - x {}^{2}}

Hence,f•g(x) will be x {}^{3}  - x {}^{2}.

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What are 2 consecutive whole numbers that lie between the square root of 140
deff fn [24]
11 and 12.
the square of 11 is 121 and the square of 12 is 144 and because 140 is between 121 and 144, 11 and 12 are the correct answer.
6 0
3 years ago
Which equations are perpendicular to the line that passes through (2,1) and (3,4)
REY [17]

9514 1404 393

Answer:

  • y=(-1/3)x+6
  • y=(-1/3)x+10

Step-by-step explanation:

The slope of the given line can be found from the slope formula:

  m = (y2 -y1)/(x2 -x1)

  m = (4 -1)/(3 -2) = 3/1 = 3

The slope of the perpendicular line is the opposite reciprocal of this:

  perpendicular slope = -1/m = -1/3

__

Choices (c) and (d) have x-coefficients that are -1/3. Those are the perpendicular lines.

  • y=(-1/3)x+6
  • y=(-1/3)x+10

5 0
2 years ago
ABC has coordinates of A (-8,-8), B (4,-2), and C (2,2). Find the coordinates of its image after a dilation centered at the orig
kumpel [21]

The coordinates of the image after dilation are

A (-12 , -12) , B (6 , -3) , C (3 , 3) ⇒ answer B

Step-by-step explanation:

A dilation is a transformation that produces an image that is the

same shape as the original, but in a different size

When you dilate a figure, with

  • The center of dilation is the origin
  • The scale factor of dilation is k

Then the coordinates of each point of the figure is multiplied by k

to find the image of the figure after dilation

∵ ABC has coordinates of A (-8 , -8), B (4 , -2), and C (2 , 2)

∵ ABC is dilated by scale factor 1.5

∵ The center of dilation is the origin

- Multiply the coordinates of points A, B, and C by 1.5

∴ The image of point A = (-8 × 1.5 , -8 × 1.5) = (-12 , -12)

∴ The image of point B = (4 × 1.5 , -2 × 1.5) = (-6 , -3)

∴ The image of point C = (2 × 1.5 , 2 × 1.5) = (3 , 3)

The coordinates of the image after dilation are

A (-12 , -12) , B (6 , -3) , C (3 , 3)

Learn more:

You can learn more about transformation in brainly.com/question/5563823

#LearnwithBrainly

5 0
3 years ago
(4,0), (0,5) write an equation of the line that passes
bulgar [2K]
I hope you I helped you out in the slightest way.

4 0
2 years ago
How do we do thisss <br>3^-2 × 3^x = 81 ​
Anna11 [10]

Answer:

3^2=3x3=9

3^2=3x3=9

=9x9

<h3>=81</h3>

x=2

8 0
2 years ago
Read 2 more answers
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