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yawa3891 [41]
2 years ago
10

Which is the graph of f(x) = square root 4x

Mathematics
1 answer:
Step2247 [10]2 years ago
4 0

The graph of f(x) = sqrt( 4x) looks like this. So choose the one that looks like the image attached.

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Simplify. x^2-3x-18/x+3
andre [41]

Answer:

1. Option C is correct

2. Option A is correct

3. Option C is correct

4. Option B is correct

5. Option D is correct

Step-by-step explanation:

1. x^2-3x-18/x+3

Factorize the numerator

x^2-6x+3x-18/x+3

x(x-6)+3(x-6)/x+3

(x+3)(x-6)/x+3

x-6

x-6 where x≠6

Option C is correct.

2. x-2/x^2+4x-12

Factorizing the denominator

x-2/x^2+6x-2x-12

x-2/x(x+6)-2(x+6)

x-2/(x-2)(x+6)

1/x+6

1/x+6 where x≠-6

Option A is correct.

3. 5x^3/7 x^3+x^4

5x^3/7x^3+x^4

5x^3/x^3(7+x)

5/7+x

Option C is correct

5/7+x where x≠-7

4. Simplify x/6x-x^2

x/6x-x^2

x/x(6-x)

1/6-x

Option B is correct

1/6-x where x≠6

5. 2/3a * 2/a^2

Multiplying both terms

4/3a^3

Option D is correct.

4/3a^3 where a≠0

7 0
2 years ago
7 out of 10 doctors prefer cough syrup over any competitors. Using the given ratio, answer the following questions. out of 500 t
luda_lava [24]

Answer:

350

Step-by-step explanation:

All you have to do is:

Multiply the fraction 7/10 by 500=350

7 0
3 years ago
All angles in the figure at the right are right angles. What is the area of the figure? The top of the figure is 9 units and the
ladessa [460]

2+2 is 4 minus 1 thats 3 quick maths

5 0
3 years ago
6
Fed [463]

Answer:

573

Step-by-step explanation:

tjdjfhsdv sgbjregb fyidbghtrf

5 0
3 years ago
The function f(t) = 20 sin (pi over 5t) + 12 models the temperature of a periodic chemical reaction where t represents time in h
gregori [183]
The answer for the exercise shown above is the second option, which is: <span>Maximum: 32°; minimum: −8°; period: 10 hours.
 The explanation is shown below:
</span> You can make a graph of the function given in the problem above: f(t)=20Sin(π/5t)+12.
 As you can see in the graph, the maximum point is at 32 over the y-axis, and the minimum is at -8.
 The lenght of the repeating pattern of the function (Its period) is 10.

6 0
3 years ago
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