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sladkih [1.3K]
3 years ago
9

Awesome autos car detail charges $30 for a full service detail on SUVs. The equation 30x+45y=450 represents the amount that must

be earned each hour to cover expenses, where x represents cars and y represents SUVs. Determine the x and y intercepts of this equation and state what each one means in terms of business
Mathematics
1 answer:
Zina [86]3 years ago
8 0

Answer:

x intercept = 15 # of cars to detail if no SUVs

y intercept =  10 # of SUVs to detail if no cars

Hope this helps!

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B.<br> f(x) = -1x - 4; Find f(-3)
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Answer:

f(-3) = -1

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
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  4. Multiplication
  5. Division
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  • Left to Right<u> </u>

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = -1x - 4

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                          f(-3) = -1(-3) - 4
  2. Multiply:                                                                                                             f(-3) = 3 - 4
  3. Subtract:                                                                                                            f(-3) = -1
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The answer to this question is not rational
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