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Gnesinka [82]
4 years ago
9

F(x)=4x+1 and g(x)=x^2-5find(f-g)(x)

Mathematics
1 answer:
Vinvika [58]4 years ago
4 0

Answer:

<h2>-x²+4x +6</h2>

Step-by-step explanation:

Given f(x)=4x+1 and g(x)=x²-5

(f-g)(x) is derived by taking the difference of both functions

(f-g)(x) = f(x)-g(x)

(f-g)(x) = 4x+1 - (x²-5)

(f-g)(x)  = 4x+1-x²+5

(f-g)(x)  = -x²+4x +6

This gives the requires expression

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Solve for b and simplify 12=5/2b
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Answer:

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General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

12 = 5/2b

<u>Step 2: Solve for </u><em><u>b</u></em>

  1. Rewrite:                                        5/2b = 12
  2. Divide both sides by 5/2:            b = 24/5

<u>Step 3: Check</u>

<em>Plug in b to verify it's a solution.</em>

  1. Substitute:                    12 = 5/2(24/5)
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