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sammy [17]
2 years ago
15

URGENT

Mathematics
1 answer:
Ilya [14]2 years ago
6 0

Answer:

Yes, the given relation is a function.

Step-by-step explanation:

Given the quadratic function, y = (x + 1)², and the domain of {-2, -1, 0, 1, 2, 3}:

By definition, a function is a <em>relation</em> in which no two ordered pairs have the same first component (x-values) and different second components (y-values). Observing the given domain, there are no repeating <em>input</em> values.

Therefore, the correct answer is that the relation is a function.

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Find f(3) for f(x)=−5x−2<br><br> A. -10<br><br> B. -15<br><br><br> C. 13<br><br><br> D. -17
Travka [436]

Answer:

f(3) = -17

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) = -5x - 2

f(3) is x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(3) = -5(3) - 2
  2. Multiply:                               f(3) = -15 - 2
  3. Subtract:                              f(3) = -17
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3 years ago
There are 15 students going on a field trip. If 3/5 of them pack their lunches, how many students pack their lunches?
zmey [24]
3/5 × 15= 9
therefore 9 students packed lunch

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3. If Greg forgives Chad's $3 debt to him, how does that affect how much money Chad has?
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A line that includes the points (s, -9) and (5, -6) has a slope of -3. What is the value of s?
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Answer:

s=6

Step-by-step explanation:

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or, -3(5-s) = 3

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