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mr Goodwill [35]
3 years ago
6

F(x)=-2x^2+4x+5 Find the critical numbers

Mathematics
1 answer:
frez [133]3 years ago
6 0

Answer:

To find critical points, take the first derivative and set it equal to zero:

f(x) = -2x^2 + 4x + 5

f'(x) = -4x + 4

-4x+4 = 0

-4x = -4

x = 1

Critical point at x = 1

Alternatively, if you mean zeros, or where the x intersects, you can use the quadratic equation.

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Answer:

12x + 4x + 20

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4(4x+5)

Step-by-step explanation:

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3 years ago
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5 0
2 years ago
What is the unknown term.<br>in the seqpence 4.5, 5.4,____7.2<br><br>A.6.2 or B. 63​
harina [27]

Answer:

6.3

Explanation:

To get from 4.5 to 5.4, you need to add 0.9. If you add 0.9 two more times, you get 7.2. Therefore, the middle term should be 6.3. I don't know if you made a typo and forgot the decimal when writing the options cause it says "63", but I believe the answer is 6.3.

4 0
3 years ago
PLEASE HELP, I WILL UP POINTS AND VOTE BRAINLIEST! DONT MAKE ME WASTE MY 88 POINTS.
Allushta [10]

Answer:

Ok im  using a standered form calculator:

1. 9/7x + 1/7 = -8

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3. y = 1/3x - 2 = -10

Step-by-step explanation:

I will be glad to help more

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3 years ago
Suppose that you flip a coin 12 times. what is the probability that you achieve at least 6 tails?
larisa86 [58]
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3 years ago
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