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Mashutka [201]
3 years ago
5

5. Find the value of x.

Mathematics
1 answer:
Fed [463]3 years ago
5 0

Answer:

x=15

Step-by-step explanation:

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Fing an equation of the line that passes through (5, 7) and is perpendicular to y=5x-9
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Given that f(x) = x2 + 6x – 2, g(x) = x – 7, and h(x) = x + 4 find each function. (g − f)(x)
Wewaii [24]

(g-f)(x) = -x^2-5x-5

Step-by-step explanation:

Given functions are:

f(x) = x^2+6x-2\\g(x) = x-7\\h(x) = x+4

The operations on functions can be performed just as they are performed on polynomials

So

(g-f)(x)=g(x)-f(x)\\=(x-7)-(x^2+6x-2)\\=x-7-x^2-6x+2\\

Combining like terms

=-x^2+x-6x-7+2\\=-x^2-5x-5

Hence,

(g-f)(x) = -x^2-5x-5

Keywords: Functions

Learn more about functions at:

  • brainly.com/question/2821386
  • brainly.com/question/2860697

#LearnwithBrainly

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Step-by-step explanation:

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