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Sati [7]
3 years ago
8

Recommended daily intake of fiber

Mathematics
1 answer:
Ganezh [65]3 years ago
4 0
25 grams per day that is the recommended daily intake of fiber
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Can you help me with my work
ira [324]

Answer

The vertex is at point (-3, -1)

The axis of symmetry is x = -3

Explanation

We are asked to find the vertex and axis of symmetry of the equation given.

f(x) = x² + 6x + 8

The vertex of a quadratic equation is the point where the graph of the quadratic equation changes from sloping negatively to sloping positively and vice-versa.

The axis of symmetry represents the straight line that divides the graph of the quadratic equation into two mirror parts that are similar to and are mirror images of each other. This axis of symmetry usually passes through the vertex.

To find the vertex, it is usually at the turning point where the first derivative of the quadratic equation is equal to 0.

(df/dx) = 0

f(x) = x² + 6x + 8

(df/dx) = 2x + 6

At the vertex

(df/dx) = 2x + 6 = 0

2x = -6

Divide both sides by 2

(2x/2) = (-6/2)

x = -3

We then insert this into the equation to get the corresponding f(x) value.

f(x) = x² + 6x + 8

f(-3) = (-3)² + 6(-3) + 8

= 9 - 18 + 8

= -1

Hence, the vertex is at point (-3, -1)

And since the axis of symmetry has to pass through the vertex,

The axis of symmetry is x = -3

Hope this Helps!!!

3 0
1 year ago
PLEASEEEEEE HELP <br> Given: △ABC, D∈AC<br> m∠BDC=m∠ABC<br> AD=7, DC=9<br> Find: BC, BD/BA
Sergio [31]

Answer:

Step-by-step explanation:

Given: △ABC, D∈AC , m∠BDC=m∠ABC , AD=7, DC=9.

Solution: Let BC=x, From the given figure and the given information, it can be seen that △ABC is similar to ΔBDC by AA rule, thus using the proportionality theorem, we get

\frac{AC}{BC}=\frac{BC}{DC}

⇒\frac{16}{x}=\frac{x}{9}

⇒x^{2}=144

⇒x=12

⇒BC=12

Now, calculate the similarity scale,

k=\frac{AC}{BC}

=\frac{16}{12}=\frac{4}{3}

Therefore, \frac{BA}{BD}=\frac{4}{3}

⇒3BA=4BD

⇒BA=\frac{4}{3}BD

3 0
3 years ago
WILL GIVE BRAINLIEST
ss7ja [257]
40 hjskvjxkenfkxksmfkkfmcfm
3 0
2 years ago
-5 2/3 + -3 1/9<br>need the answer<br>a. 2 1/6<br>b. -8 7/9<br>c. -8 1/4<br>d. 8 1/4​
Y_Kistochka [10]

Answer:

-8/7/9

Step-by-step explanation:

<h2><em>Hope this helps and have a great day :)</em></h2>

6 0
3 years ago
Read 2 more answers
Please hlep me its ixl
scoray [572]

Answer:

D

Step-by-step explanation:

D is the answer I did the math.

Hope this helps!

6 0
2 years ago
Read 2 more answers
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