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loris [4]
2 years ago
10

Given f(x) = 4x + 2, find f-1(3).

Mathematics
1 answer:
Alexxandr [17]2 years ago
4 0

Answer:

  1/4

Step-by-step explanation:

The inverse function tells you the input value that corresponds to the given output value of the function.

<h3>Application</h3>

You want f^-1(3), which is the value of x such that f(x) = 3.

  f(x) = 3 = 4x +2

  1 = 4x . . . . . . subtract 2

  1/4 = x . . . . . divide by 4

The inverse function of 3 is 1/4:

  \boxed{f^{-1}(3)=\dfrac{1}{4}}

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Bas_tet [7]

Answer:

42.9 in

Step-by-step explanation:

Volume of a cube = side cubed

V = (3.5)^3

V = 42.875

4 0
3 years ago
Which is the polynomial function of lowest degree with rational real coefficients, a leading coefficient of 3 and roots
olga2289 [7]

Answer:

f(x) = 3x^{3}  - 6x^{2} - 15x + 30

Step-by-step explanation:

If  \sqrt{5}  is a root, then so is -\sqrt{5}

f(x) = 3(x + \sqrt{5})(x - \sqrt{5})(x - 2)

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3 years ago
Eighty-one million four hundred twelve thousand six hundred fifty​
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81,412,650

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3 years ago
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3 0
3 years ago
Read 2 more answers
Help me please!!!!!!!!
antoniya [11.8K]

Answer: 13 = 5x - 2

Step-by-step explanation:

2x + 3 = 8x - 15

2x + 15 = 8x

----------------------

2x + 18 = 8x

-2x + 18 = -2x

----------------------

18 = 6x ---> divide 18 by 6

----------------------

x = 3

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----------------

15 = 5x ---> divide 15 by 5

----------------

x = 3

4 0
3 years ago
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