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Zolol [24]
3 years ago
6

Which graph represents the function of f(x) = the quantity of 9 x squared minus 36, all over 3 x plus 6?

Mathematics
1 answer:
love history [14]3 years ago
6 0
F ( x ) = ( 3 x + 6 ) ( 3 x - 6 ) / ( 3 x + 6 ) = 3 x - 6
and for domain : 3 x + 6  ≠ 0
3 x ≠ - 6
x ≠ - 2
anwser graph of 3 x - 6, with discontinuity at - 2
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Answer correct you get brainliest answer​
zloy xaker [14]

Answer:

y =  {x}^{2}  - 2

Or if you want with the value of h too.

y =  {(x - 0)}^{2}  - 2

Step-by-step explanation:

y = a {(x - h)}^{2}  + k

Find the value of h and k by using the formula.

h =  -  \frac{b}{2a}  \\ k =  \frac{4ac -  {b}^{2} }{4a}

From y = x²-2

a = 1 \\ b = 0 \\ c =  - 2

Substitute these values in the formula.

h =  -  \frac{0}{2(1)}  \\ h = 0

Therefore, h = 0.

k =  \frac{4(1)( - 2) -  {0}^{2} }{4(1)}  \\ k =  \frac{ - 8}{4}  \\ k =  - 2

Therefore, k = - 2.

From the vertex form, the vertex is at (h, k) = (0,-2). Substitute h = 0, a = 1 and k = -2 in the equation.

y = a {(x - h)}^{2}  + k \\ y = 1 {(x - 0)}^{2}  - 2 \\ y =  {(x)}^{2}  - 2 \\ y =  {x}^{2}  - 2

These type of equation where b = 0 can also be both standard and vertex form.

4 0
3 years ago
Trevor is racing his dirt bike at about 30 miles per hour. If he keep a up this rate for an hour and a half, how many miles will
Free_Kalibri [48]

Answer: 45 miles


Step-by-step explanation:

Since Trevor rides 30 mph and does this for 1.5 hours, multiply 30 by 1.5


30 * 1.5 = 45

3 0
3 years ago
I'm lost.. How do you even start it???
Anastasy [175]
2x+y=4\\
-x+y=1\\\\
2x+y=4\\
\underline{x-y=-1}\\
3x=3\\
x=1\\\\
1-y=-1\\
y=2

7 0
3 years ago
Read 2 more answers
What is -3/4+2 3/4 O 3 1/2 O 3 3/4 O 2 1/2 O 2​
sveticcg [70]

Answer:

D. 2

Step-by-step explanation:

Common denominator is already presented which is 4.

-3/4 and 3/4 cancel each other out.

you can also convert to decimal form -3/4 + 2 3/4 is the same as:

-0.75 + 2.75 = 2.

3 0
2 years ago
During dance practice, Sasha drank 21⁄2 pints of water, and on the way home she drank 1⁄2 cup of water. How much water did she d
Flura [38]
Try adding the two and think of it mentally as if you were drinking the amount of cups of water that's what I do when I have questions like these :))
5 0
3 years ago
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