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Natasha2012 [34]
3 years ago
7

Consider this function. f(x)-3x+3. Which graph represents the inverse of function f?

Mathematics
1 answer:
Kamila [148]3 years ago
3 0

9514 1404 393

Answer:

  graph Y

Step-by-step explanation:

The inverse function can be found by solving ...

  x = f(y)

  x = -3y +3

  x -3 = -3y . . . . . subtract 3; next, divide by -3

  y = -1/3x +1 . . . . . matches graph Y

_____

<em>Additional comment</em>

Writing the original equation in standard form can help you see its intercepts.

  3x +y = 3

  3x = 3   ⇒   x = 1 . . . . x-intercept (at y=0)

  y = 3   . . . . y-intercept (at x=0)

The inverse function has the x- and y-intercepts swapped, so you're looking for a line through (0, 1) and (3, 0). The lower left graph (Y) is that graph.

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2 years ago
If f(x) = 4x - 20, what is f(4)?
Nataliya [291]

Answer:

f(4) = -4

Step-by-step explanation:

f(x) = 4x - 20

Let x= 4

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4 0
2 years ago
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Which of the following is a proportion? 9/12= 8/10 3/4= 9/12 6/8= 8/12 12/18= 9/16
solong [7]

Answer:

The proportion is 3/4=9/12

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4 0
2 years ago
Jack bought a set of golf clubs for $250 and received a discount of $20 how much was the discount
Airida [17]

percent discount = (discount)/ original * 100

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7 0
3 years ago
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CaHeK987 [17]

Answer: x = 22

Step-by-step explanation:

We must isolate the x by itself.

We need to add 5 to both sides of the equation so it cancel out from the side with x.

So x = 22

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