2 years ago

1. True or false: A function is a rule that assigns each input exactly one

1 answer:

7 0

True a function is a rule that assigns each input exactly one output.

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katovenus [111]

First of all, move all terms to the same side:

$x^3 + 3x^2 - 8 x = 0$

You can factor an x, which means that $x = 0$ is a solution:

$x(x^2+3x-8)$

This expression is further factorizable if the quadratic equation has any solution. Using the quadratic formula, we can find that they are

$x_{1,2} = -\dfrac{3 \pm \sqrt{41}}{2}$

So, we have

$x(x^2+3x+8) = 0 = \iff x = 0,\quad x =-\dfrac{3 + \sqrt{41}}{2} ,\quad x =-\dfrac{3 - \sqrt{41}}{2}$

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3 years ago

sasho [114]

Answer:

Step-by-step explanation:the first one

6 0

2 years ago

Oliga [24]

Answer:

Step-by-step explanation:

3 is half of 6, so since half of 10 is 5 I'd say 5.

I hope this helped <3

4 0

2 years ago

katrin [286]

Uurcrcucrvurctuccecuwxrve

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3 years ago

Vinil7 [7]

Answer:

About 20 minutes.

8 0

2 years ago