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rewona [7]
3 years ago
8

If f(x)=8-3|x+2|, find f(-6)

Mathematics
2 answers:
Dahasolnce [82]3 years ago
5 0
To find f(-6), simply plug -6 in for x in the equation.
f(x)=8-3|x+2|
f(-6)=8-3|-6+2|
f(-6)=8-3|-4|
f(-6)=8-3*4
f(-6)=-4

Hope that helps!
alex41 [277]3 years ago
3 0
-6=-4
no solutions
hope this helps
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Use the parabola tool to graph the quadratic function f(x)=(x-5)^2+1
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Answer:

Look to the attached graph

Step-by-step explanation:

* Lets revise how to graph the quadratic function

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∵ f(x) = (x - 5)² + 1 ⇒ the completing square form

- The completing square form for any quadratic is

 ( x - h)² + k, where h and k are the coordinate of the vertex point

* Lets compare the two forms

∵ (x - h)² + k = (x - 5)² + 1

∴ h = 5 and k = 1

∴ The vertex of the parabola is (5 , 1)

- To find the x-intercept put f(x) = 0

∵ (x - 5)² + 1 = 0 ⇒ subtract 1 from both sides

∴ (x - 5)² = -1 ⇒ the square can not give -ve number

∴ The parabola does not intersect the x-axis

- To find the y-intercept put x = 0

∵ f(0) = (0 - 5)² + 1 = 25 + 1 = 26

∴ The parabola intersects the y-axis at point (0 , 26)

- The parabola is opened upward because the coefficient of x² is +ve

* Now lets graph it

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5 0
3 years ago
How to find a
Olegator [25]
In reality your common denominator should be the Least Common Multiple. The LCM is the product of highest occurring primes of the numbers prime factorizations...

4=2*2, and 12=2*2*3.  So the LCM is 2*2*3=12  Now that you know what the least common multiple is we can say that:

(3/4)(3/3)+5/12

9/12+5/12

(9+5)/12

14/12

7/6  which should be converted to a mixed number as this is an improper fraction...

(6+1)/6

1+1/6

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4 0
3 years ago
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He needs 84 ft.
Step by step explanation:
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7 0
3 years ago
Given a line segment A(16, 8) and B(1, 3) what are the coordinates or the line segment partitioned two-fifths from A to B.
Shalnov [3]
Partitioning means to find the dividing point between two points.
This is done by prorating the difference in x- and y-coordinates, and adding to the first.

We will take the first point (from A to B) as A(16,8).
The difference is B-A, i.e.
(1,3)-(16,8) = (-15,-5)
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Add the difference to the first coordinates (point A) gives
Point of division = (16,8)+(-6,-2) = (16-6, 8-2) = (10,6)


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3 years ago
Julie brought 24 apples to school to share with her classmates. Of those apples, 2/3 are red, and the rest are green. Julie’s cl
Ratling [72]

Answer:

from the given info

you can know that there were 16 red ones. (2/3)*24

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and her classmates ate 3/4 of red ones i.e.

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and now the total eaten apples

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and the remaining number are

24-16

=8

3 0
3 years ago
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