Math Problem Statement
F(×)=4×+2 g(×)=3×-1. Find (f-g)(4).
Solution
To find , we need to calculate and separately and then subtract from .
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Calculate : Substituting :
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Calculate : Substituting :
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Calculate :
So, .
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Related Questions:
- How do you find the sum of and at a given value?
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- What is the solution to ?
Tip: Always check your function calculations step-by-step to ensure accuracy, especially when combining functions!
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Math Problem Analysis
Mathematical Concepts
Algebra
Functions
Function Operations
Formulas
f(x) = 4x + 2
g(x) = 3x - 1
(f - g)(x) = f(x) - g(x)
Theorems
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Suitable Grade Level
Grades 8-10
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