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V125BC [204]
3 years ago
14

What is the inverse of the function? * f(x)=3x+1

Mathematics
2 answers:
olchik [2.2K]3 years ago
8 0

Answer:

The inverse of f(x)=3x+1 is f(x)−1=13x−13

Step-by-step explanation:

White raven [17]3 years ago
4 0

Answer:

f(x)^{-1} = \frac{1}{3}x - \frac{1}{3}

Step-by-step explanation:

Inverse means the opposite of the original function.

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Factor completely...................
defon

Answer:

Final answer is A. 9(3x+1)(3x-2).

Step-by-step explanation:

Given expression is 81x^2-27x-18.

81x^2-27x-18

=9(9x^2-3x-2)

We can factor that by splitting middle term into two parts then do grouping as shown below:

=9(9x^2-6x+3x-2)

=9(3x(3x-2)+1(3x-2))

=9(3x+1)(3x-2)

Which correctly matches with choice A. 9(3x+1)(3x-2).

Hence final answer is A. 9(3x+1)(3x-2).

3 0
3 years ago
a cleaning service charges an hourly rate plus a flat fee of $15 for supplies. philip uses the service for 3.5 hours for his spr
Sergeu [11.5K]

Using linear function concepts, it is found that he can correctly determine the hourly rate as follows:

subtract the supply fee, 15 dollars from the total cost, then, divide the difference by the number of hours.

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

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, which can also be interpreted as the initial value of a function that is valid only for x \geq 0, such as is the case in this problem.

The flat fee is of $15, hence b = 15, then:

y = mx + 15

Philip uses the service for 3.5 hours for his spring cleaning, and his total is $232, hence when x = 3.5, y = 232, so we use it to find the hourly rate m.

y = mx + 15

232 = 3.5m + 15

m = \frac{232 - 15}{3.5}

Hence, the correct option is:

subtract the supply fee, 15 dollars from the total cost, then, divide the difference by the number of hours.

You can learn more about linear function concepts at brainly.com/question/24808124

7 0
2 years ago
How to write 18,165,411 in word form
Lelu [443]
Eighteen million one hundred and sixty five thousand four hundred and eleven.
4 0
3 years ago
Read 2 more answers
Explain how to find the mean of a data set
leva [86]
To find mean you add all the values in your data together and divide by the # of values you have.
4 0
3 years ago
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Which point on the axis satisfies the inequality y&lt;x​
Vika [28.1K]

Answer:

every point where x is greater than y or  y-x<0

namely, every point below the straight line y=x that cuts the cartesian plane in two

Step-by-step explanation:

6 0
3 years ago
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