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Aleonysh [2.5K]
3 years ago
5

Which is the minimum or maximum value of the given function? a. The function has a minimum value of -2 b. The function has a min

imum value of 1 c. Function has a maximum value of -2 d. The function has a maximum value of 1
Mathematics
1 answer:
Alex17521 [72]3 years ago
3 0

Answer:

The function f(x) is not given, I used a different function but the approach and steps is the same .

Step-by-step explanation:

  • Given the function f(x) = 2x2 - 8x + 5

compare with the normal quadratic equation ; ax2 + bx + c = f(x)

  • a = 2, b = -8 and c = +5
  • since a is greater than zero i.e a > o {positive}

As such, it has a minimum

hence for minimum value; x = -b/2a

x = -(-8)/2 x 2

x = 8/4 = 2

plugging the values of x in f(x) ; f(2) = 2(2)^2 -8(2) + 5

f(2) = -3, hence it has minimum value and the minimum value is -3

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John and 3 friends are going out for pizza for lunch. They split one pizza and 4 large drinks. The pizza cost $13.00. After usin
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Answer:

D is the correct answer.

Step-by-step explanation:

You would add $6.00 to $13.20, making 19.20, subtracting 4 x $1.55 (6.2) leaves you with $13, the cost of the pizza. So therefore, it would be 4d + $13.00 – $6.00 = $13.20; $1.55.

3 0
3 years ago
Select all the intervals where f is decreasing
sammy [17]

One Answer: Choice C) 0 < x < 1

==================================================

Explanation:

Let's go through the answer choices one at a time.

  • Choice A represents an increasing interval since the graph goes uphill as we move from left to right. The line through the points (-2, f(-2)) and (-1.5, f(-1.5)) has a positive slope. We can rule out choice A.
  • Choice B is a similar story to choice A. The graph goes uphill when we move from x = -1 to x = 0, so the graph is increasing on the interval -1 < x < 0. We can rule out choice B.
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6 0
2 years ago
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Translate the following sentence into an equation using n to represent the unknown number. Then solve the equation for n.
Marina CMI [18]
It's pretty straightforward and simple:
Six more means + 6.
Twice a number means 2n.
Is 16 means = 16

Now combine these three definitions and you will receive:
6 + 2n = 16

Now solve this simple equation:
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So the correct answer is D.



8 0
3 years ago
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