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Ainat [17]
3 years ago
9

Given the function f(x) = 3x + 1, what is the value of f(-2/3)? show work ​

Mathematics
1 answer:
Marta_Voda [28]3 years ago
7 0

Answer:

f(-2/3) = -1

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x + 1

f(-2/3) is x = -2/3

<u>Step 2: Evaluate</u>

  1. Substitute:                    f(-2/3) = 3(-2/3) + 1
  2. Multiply:                        f(-2/3) = -2 + 1
  3. Add:                              f(-2/3) = -1
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The price of a notebook is 20% less than the price of a book. By
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Answer:

125%

Step-by-step explanation:

lets just say the book is $100. 20% less would be $80
now to go back to $100, we need to add $20 to $80
20 is 25% of 80, so add the extra 25% to 100% of 80

3 0
2 years ago
Evaluate the expression when a=−15a=−15 and b=−5b=−5. b + 14a=
svetoff [14.1K]
First we substitute the given values into the problem 
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Hope this helps :)
5 0
3 years ago
Find two consecutive integers such that the sum of the greatest integer and twice the lesser integer is 40.​
ziro4ka [17]

Answer:

13 and 14.

Step-by-step explanation:

So we have two consecutive integers.

Let's call the first integer a.

Since the integers are consecutive, the other integer must be (a+1) (one more than the last one).

We know that the sum of the greatest integer (or a+1) and twice the lesser integer (a) is 40. Therefore, we can write the following equation:

(a+1)+2(a)=40

The first term represents the greatest integer. The second term represents 2 times the lesser integer. And together, they equal 40.

Solve for a. Combine like terms:

a+1+2a=40\\3a+1=40

Subtract 1 from both sides. The 1s on the left cancel:

(3a+1)-1=(40)-1\\3a=39

Divide both sides by 3:

\frac{3a}{3}=\frac{39}{3}\\a=13

Therefore, a or the first integer is 13.

And the second integer is 14.

And we can check:

14+2(13)=14+26=40

8 0
3 years ago
Read 2 more answers
3x−4y=21 <br> what does the x and y mean?
neonofarm [45]

Answer:

They are the two variables in the equation. They could will have different or the same values, but are seperate mathematical and logical entities.

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3 years ago
How would I do this? I'll give brainliest!
UkoKoshka [18]
Just plug in 1 and 2 for x and it will give you y then write it as (x,y) cordinates
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3 years ago
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