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3 years ago

10

F(x) = 3x What is the inverse of the function below?

1 answer:

guajiro [1.7K]3 years ago

6 0

Answer:

f^-1 (x)=x/3

Step-by-step explanation:

y=3x

x=3y

y=x/3

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Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

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3 years ago

What is -4/5x-2=18 what is x help quick

mart [117]

Answer:

If I'm right x= -25

Step-by-step explanation:

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2 years ago

Read 2 more answers

Evaluate the formula χ2=<br> (n−1)s2<br> σ2 when σ=3.32, n=38, and s=3.36.

denpristay [2]

Answer:

Step-by-step explanation:

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3 years ago

A bag of chips is 24 ounces. A serving size is 3/4 ounce. How many servings are in the bag of chips?

marysya [2.9K]

Answer:

The correct answer to the following question will be "32 servings".

Step-by-step explanation:

The given values are,

A bag of chips = 24 ounces

Serving size = 3/4 ounces

Servings = ?

Now,

On dividing "24 ounces" by "3/4 ounce", we get

⇒ $\frac{24}{\frac{3}{4}}$

⇒ $24\times \frac{4}{3}$

⇒ $8\times 4$

⇒ $32$

Thus, the bag of chips contains "32" servings.

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3 years ago

Every spring the grade four students play the grade five students in softball. The graph shows their scores.

bezimeni [28]

Answer:

B

Step-by-step explanation:

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3 years ago