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Katyanochek1 [597]
3 years ago
12

For each function what is the output for the given input? For f(x)=-5x+7, find f(2)

Mathematics
1 answer:
Romashka [77]3 years ago
4 0

Answer:

-3

Step-by-step explanation:

f(x) =-5x+7, find f(2)

f(2) = -5(2) + 7, multiply -5(2)

f(2) = -10 + 7, add -10 + 7

f(2) = -3

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2, 6, and 7

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so you would choose options 2, 6, and 7! hope this helps! :)

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A statement and portions of the flowchart proof of the statement are shown.
Makovka662 [10]
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7x+4-2(-6x-2)+3(x-2) what does x equal??
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Answer:

<em><u>22x + 2</u></em>

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4 years ago
Solve.<br> 8/21=3x/7<br> What does X equal?
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3 years ago
-(5y-6) + 4(3+5y) if y = 2
S_A_V [24]

Answer:

48

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>

  • Terms

Step-by-step explanation:

<u>Step 1: Define</u>

-(5y - 6) + 4(3 + 5y)

y = 2

<u>Step 2: Simplify</u>

  1. Distribute:                              -5y + 6 + 12 + 20y
  2. Combine like terms (y):         15y + 6 + 12
  3. Combine like terms (Z):         15y + 18

<u>Step 3: Evaluate</u>

  1. Substitute in <em>y</em>:                    15(2) + 18
  2. Multiply:                               30 + 18
  3. Add:                                     48
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3 years ago
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