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irinina [24]
3 years ago
11

F(x) = X+1 if x 1 -x+1 if 1 X-1 if x>3 Please help

Mathematics
1 answer:
Nadya [2.5K]3 years ago
8 0

Answer:

f ' [x] = 0

Step-by-step explanation:

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Solving quadratic equations with complex solutions x2 + 4x + 8 = 0.
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Answer:

\large\boxed{x=-2\pm2i}

Step-by-step explanation:

x^2+4x+8=0\qquad\text{subtract 8 from both sides}\\\\x^2+4x+8-8=0-8\\\\x^2+2(x)(2)=-8\qquad\text{add}\ 2^2\ \text{to both sides}\\\\x^2+2(x)(2)+2^2=-8+2^2\qquad\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\(x+2)^2=-8+4\\\\(x+2)^2=-4\iff x+2=\pm\sqrt{-4}\\\\x+2=\pm\sqrt{(4)(-1)}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\x+2=\pm\sqrt4\cdot\sqrt{-1}\qquad\text{use}\ \sqrt{-1}=i\\\\x+2=\pm2\cdot i\qquad\text{subtract 2 from both sides}\\\\x=-2\pm2i

4 0
3 years ago
The graph of f(x) = (0.5)x is replaced by the graph of g(x) = (0.5)x − k. If g(x) is obtained by shifting f(x) down by 7 units,
Nikolay [14]

Answer:

k=-7

Step-by-step explanation:

5 0
3 years ago
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Please answer the following questions with the proper significant figures:
mamaluj [8]

Answer:

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5 0
3 years ago
HELP P L E A S E ! !
alex41 [277]

Answer:

A is true but I dont know the rest I am very sorry   .-.

Step-by-step explanation:

I Just added 18 + 12 = 30 + 10 = 40 and that is why A is true

3 0
3 years ago
a function f(x) is described by the ordered pair (x,y). if given the function is translated 2 units to the right and then reflec
OleMash [197]
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