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ANTONII [103]
3 years ago
11

For the function f defined by f(x)=3x2−2x+5 find f(−x),−f(x) , and −f(−x).

Mathematics
1 answer:
Brums [2.3K]3 years ago
6 0

Step-by-step explanation:

f(x)=3x^2-2x+5\\\\f(-x)=\text{substitute (-x) instead x in f(x)}\\\\f(-x)=3(-x)^2-2(-x)+5=3x^2+2x+5\\\\-f(x)=-(3x^2-2x+5)=-3x^2-(-2x)-5=-3x^2+2x-5\\\\-f(-x)=-(3x^2+2x+5)=-3x^2-2x-5

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Which of the following is equal to the rational expression when x -2 or -1? x^2-4/(x+2)(x+1)
Orlov [11]

Answer:

(x+2)(x+1)

Step-by-step explanation:

Assuming im interpreting this correctly, it should be (x+2)(x+1), since if you plug in -2 and -1, it will give you 0, which is the answer.

8 0
3 years ago
Georgetown and Franklin are 9.7 in apart on a map that has a scale of 1.1 in : 15 mi. How far apart are the real cities?
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3 years ago
What is the solution of the equation? (√2x-1) + 2=x
Gwar [14]

Answer:

x = 5

Step-by-step explanation:

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Check for extraneous solutions.

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7 0
3 years ago
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Sergio039 [100]

Answer:

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Step-by-step explanation:

One approach to doing this probelm is to evaluate all three functions F, G and H at x = 2:

F(2) = 2(2) - 1 = 3

G(2) = 3(2) + 2 = 8

H(2) = (2)^2 = 4

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Then (F/G)(2) = (3/8), and (F/G/H) = -------- = 3/32

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8 0
3 years ago
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WINSTONCH [101]

Answer:

Step-by-step explanation:

3x < 4 - 1   or x > 31/9

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x < 1  or x > 31/9

7 0
3 years ago
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