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hammer [34]
3 years ago
9

Evaluate the function for the given value of x f(n)=n^2-6n+7n at n=3 ​

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
6 0
F(n)=13
3^2-6(3)+7(3)=12
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The first one is <span>Equivalent and the second is nonequivalent</span>
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D-2.8 divided by 0.2 = -14 solve the equation
ohaa [14]
(d-2.8)/0.2=-14
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nikklg [1K]

Answer:

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8 0
3 years ago
The product of three consecutive integers is -1716. what is the greatest of the three integers?
Monica [59]

Answer:

-11

Step-by-step explanation:

If we call x the least integer, then x + 1 is the next integer, and x + 2 is the greatest integer.

x (x + 1) (x + 2) = -1716

x (x² + 3x + 2) = -1716

x³ + 3x² + 2x = -1716

x³ + 3x² + 2x + 1716 = 0

That's not an easy equation to factor.  We could use rational root test, but that would take a long time.  However, we can narrow down the options logically.  The three integers are relatively close together, so if we approximated the product as x³:

x³ ≈ -1716

x ≈ -11.9

So let's see if x = -12 is a solution:

(-12)³ + 3(-12)² + 2(-12) + 1716 = 396

Nope.  Let's try x = -11:

(-11)³ + 3(-11)² + 2(-11) + 1716 = 726

Not that either.  Let's go the other direction, x = -13:

(-13)³ + 3(-13)² + 2(-13) + 1716 = 0

Aha!  x = -13.  So x + 1 = -12, and x + 2 = -11.

-11 × -12 × -13 = -1716

The greatest integer is -11.

6 0
3 years ago
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