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Y_Kistochka [10]
3 years ago
5

If f(x)=(1/7)(7x) what is f(3)

Mathematics
2 answers:
monitta3 years ago
5 0

Answer:

f(3) = 3

Step-by-step explanation:

Hello

For f(3) you have only to replaced the number 3 where the X is.

f(3) = (1/7)(7*3)

f(3) = (1/7)*(21)

f(3) = 3

Best regards

daser333 [38]3 years ago
3 0

Answer:

f(3) = 3

Step-by-step explanation:

To evaluate f(3) substitute x = 3 into the expression, that is

\frac{1}{7} × 7 × 3 = 1 × 3 = 3

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nasty-shy [4]

The value of x in the equation 4(x + 5) = 9x + 4x − 34 is 6 after solving and applying properties.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have equation:

4(x + 5) = 9x + 4x − 34  (Given)

4x +20 = 9x + 4x − 34    (Distributive Property)

4x +20 +34 -4x = 9x + 4x − 34 + 34 -4x   (Subtraction Property of Equality)

54 = 9x + 4x − 34 + 34 -4x  (Addition Property of Equality)

54 = 9x  (Combine Like Terms)

x = 54/9   (Division Property of Equality)

x = 6

Thus, the value of x in the equation 4(x + 5) = 9x + 4x − 34 is 6 after solving and applying properties.

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brainly.com/question/11897796

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3 0
1 year ago
What is the inverse of the function?<br> f(x) = 1/3x-5
OlgaM077 [116]

Answer:

        -1

       f   (x) = -3(x + 5)

Step-by-step explanation:

1)  in f(x) = 1/3x-5, replace f(x)= with y= as follows:  y = (1/3)x - 5

2) interchange x and y, obtaining:  x = (1/3)y - 5

3) solve this result for y:  (1/3)y = -x - 5, or -(x + 5).  Next, multiply both sides by                        3 to eliminate the fraction (1/3):  y = -3(x + 5)

4)  replace y with the symbol for "inverse of f(x);

        -1

       f   (x) = -3(x + 5)

5 0
3 years ago
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iVinArrow [24]
4 6/9 + 7/9 = 5 3/9
Hope this helps
Answer:
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3 0
1 year ago
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An equilateral triangle has a base of 44 meters and a height of h meters. Inside that triangle is constructed a second equilater
TEA [102]

Answer:

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Step-by-step explanation:

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