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lapo4ka [179]
3 years ago
12

If f(x) = 3x + 10 and g(x) = 2x - 4, find (f- g)(x).

Mathematics
1 answer:
densk [106]3 years ago
5 0

Answer:

<em>(f-g)(x)=x+14</em>

Step-by-step explanation:

<u>Operations with Functions</u>

Given two functions f(x) and g(x), the following operations are defined:

(f+g)(x)=f(x)+g(x)

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

(f*g)(x)=f(x)*g(x)

(f/g)(x)=f(x)/g(x)

We have f(x)=3x+10 and g(x)=2x-4. Use the second formula to find

(f-g)(x)=(3x+10)-(2x-4)

Operating:

(f-g)(x)=3x+10-2x+4

Joining like terms:

(f-g)(x)=x+14

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7 0
2 years ago
Solve for x: 4(x + 2) = 3(x − 2)<br><br>A) −2<br>B)−4<br>C) −10<br>D) −14
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Multiply the first bracket by 4

Multiply the second bracket by 3

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Move positive 8 to the right hand side

x+8-8=-6-8

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Check answer by using substitution method

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Step-by-step explanation:

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Answer:

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