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Darina [25.2K]
3 years ago
13

Let f(x)=3x+5 and g(x)=x^2 find (f-g)(x)

Mathematics
1 answer:
dlinn [17]3 years ago
7 0

Answer:

(f - g)(x) = -x² + 3x + 5

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

  • Function Notation
  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x + 5

g(x) = x²

(f - g)(x) is f(x) - g(x)

<u>Step 2: Find (f - g)(x)</u>

  1. Substitute:                   (f - g)(x) = 3x + 5 - x²
  2. Rewrite:                       (f - g)(x) = -x² + 3x + 5
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The ratio of boys to girls in a local choir is 7:10. If there are 35 boys in the choir, how many girls are there?
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Answer:

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Step-by-step explanation:

Given data

We have the ratio as

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applying the part to all method

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cross multiply

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x=595/7

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Hence the number of girls is

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8 0
3 years ago
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