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hodyreva [135]
3 years ago
12

If f(x)=-3x+3, then f^-1 (x)=____ Please help

Mathematics
1 answer:
fgiga [73]3 years ago
6 0

Answer:

y = (-x/3) +1   or y = (-1/3 * x) + 1

Step-by-step explanation:

For the inverse of a function, you invert the y and x positions.

In your case:

y = -3x+3

The inverted function is:

x = -3y+3

When you solve this for y, you get:

-3y = x-3

y = -x/3 +1

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Answer correctly please !! Will mark brainliest !!!
SOVA2 [1]

Step-by-step explanation:

It is D I did it yesterday and got it right!!!

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3 years ago
A community hall is shape of a cuboid. The hall is 40 m long, 15 m wide and 3 m high. The community hall needs re-decorating wit
Licemer1 [7]
Total cost for tiles and paints is $924.
Step-by-step explanation:
We have been given that a community hall is in the shape of a cuboid. The hall is 40m long 15m high and 3m wide.
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Let us find area of walls and ceiling.



Therefore, the area of walls and ceiling is 1410 square meters.
Given: Cost for 10 litre of paint is $10 and 10 litre paint covers 25 square meter. Therefore,


Therefore, the total painting cost is $564.
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3 0
2 years ago
Which of the following is true of the discriminant for the graph below?
Sonbull [250]

Answer:

<u>Option C. It is zero</u>

Step-by-step explanation:

The graph represents a quadratic equation

The quadratic equation has the form ⇒a x² + b x + c

The discriminant of the quadratic equation is D = b² - 4ac

From the discriminant of the quadratic equation, we can know the type of roots of the quadratic equation.

  1. If D > 0 ⇒ Two real roots.
  2. If D = 0 ⇒ one real roots
  3. If D < 0 ⇒ Two imaginary roots.

The roots of the quadratic equation are the x-intercepts of the function.

As shown at the figure, the quadratic equation has only one point of intersection with the x-axis

So, the function has only one root ⇒ D = 0

So, the discriminant of the quadratic equation = 0

<u>The answer is option C. It is zero</u>

7 0
3 years ago
Your family went on a road trip. They drove for 12 hours in one day. Your mom drove 5 / 6 of that time. How much of the time did
Viefleur [7K]

Answer:

10

Step-by-step explanation:

The first thing you do is:

12 % 6 = 2

Then you have to:

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You divide the denominator then multiply it by the Numerator

7 0
3 years ago
How many solutions does the system of equations below have?
galben [10]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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