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creativ13 [48]
3 years ago
8

Let f (x) = sqrt x and g (x) = 3x+2. find the range of (f.g) (x)

Mathematics
1 answer:
tekilochka [14]3 years ago
8 0

Answer:

[0, infinity)

Step-by-step explanation:

Focus on f(x) = sqrt(x) first.  The domain of this function is [0, infinity), and the range is [0, infinity).

The product (f*g)(x) is sqrt(x)*(3x + 2).

This leads to the conclusion that the range of  (f.g) (x) is  identical to the range of sqrt(x), which is [0, infinity).

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Use the function notation to write a recursive formula to represent the sequence: 4, 8, 12, ...
melamori03 [73]

Answer:

The correct answer is f(n) = f(n − 1) + 4

Step-by-step explanation:

Let us consider the sequence: 4, 8, 12, …

Using f(n) = f(n − 1) + 4, we can easily get the sequence.

As the first term is 4 and next term is obtained by adding 4 to the first term.

i.e. 4+4 = 8

     8+4 = 12

     12+4 = 16  and so on.

Since the next term is obtained by adding 4 to the previous term.

<em>So, f(n) = f(n-1) + 4 would be the correct recursive formula for the function of the sequence 4, 8, 12, .... </em>

<em>Verification: </em>

<em>                 f(n) = f(n-1) + 4</em>

Putting n=2 in f(n) = f(n-1) + 4 to get the second term of the sequence.

<em>                f(2) = f(2-1) + 4</em>

<em>                f(2) = f(1) + 4</em>

<em>                f(2) = 4 + 4</em>

<em>                f(2) = 8</em>

Putting n=3 in f(n) = f(n-1) + 4 to get the third term of the sequence.

<em>                 f(3) = f(3-1) + 4</em>

<em>                 f(3) = f(2) + 4</em>

<em>So, adding 4 in f(2)=8 would give us the next term i.e. 12</em>

<em>                f(3) = 8 + 4</em>

<em>                 f(3) = 12</em>

<em />

Keywords: recursive formula, sequence

Learn more about using recursive formula from brainly.com/question/1851471

#learnwithBrainly<em> </em>

7 0
3 years ago
A STERO is was priced for $75. If this is a 15% increase was is the new price?
Delicious77 [7]

Answer:

75+75×15/100=75+11.25=86.25$

7 0
2 years ago
Read 2 more answers
What 0.04 percent form is?
sergij07 [2.7K]
4%
This is because 1 = 100%
0.4 would equal 40%
So 0.04 is 4%
3 0
3 years ago
2x + 2 = -52 whats the value of x​
Sloan [31]
You answer is -25 your welcome
6 0
3 years ago
Find the surface area of this cylinder 12 is height radius is 8
Alika [10]

Answer:

Step-by-step explanation:

Surface area = 2πr(h+r)

= 2 * 3.14 * 8*(8+12)

=2*3.14*8*20

= 1004.8 square unit

8 0
3 years ago
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