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lina2011 [118]
3 years ago
9

Describe the domain of a logarithmic function.

Mathematics
2 answers:
olga55 [171]3 years ago
5 0
We can use the calculator to evaluate whether the domain given is possible or valid. In this case, A includes number equal to zero. log zero is invalid. B includes negative numbers. The values are still invalid. The numbers greater than zero are valid. Answer then is C
Brut [27]3 years ago
3 0

the correct answer is

C) all numbers greater than zero

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Agata [3.3K]
The answer is I think $50
7 0
3 years ago
Read 2 more answers
The nth term of this sequence is ansquared+by+c<br> 1,11,27,49 <br> Find the values of a b and c
stiv31 [10]

Answer:

The values of a, b and c are:

  • a = 3
  • b = 1
  • c = -3

Step-by-step explanation:

Step 1:

First Confirm the sequence is quadratic by finding the second difference.

Sequence = 1,11,27,49

1st difference:

  • 11-1=10
  • 27-11=16
  • 49-27=22

2nd difference:

  • 16-10=6
  • 22-16=6

Step 2:

Just divide the second difference by 2, you will get the value of a.

6 ÷ 2 = 3

So the first term of the nth term is 3n^{2}

Step 3: Next, substitute the number 1 to 5 into  3n^{2}

n = 1,2,3,4,5

3n² = 3,12,27,48,75

Step 4:

Now, take these values (3n²) from the numbers in the original number sequence and work out the nth term of these numbers that form a linear sequence.

n = 1,2,3,4,5

3n² = 3,12,27,48,75

Differences:

1 - 3 = -2

11 - 12 = -1

27 - 27 = 0

49 - 48 = 1

Now the nth term of these differences (-2,-1,0,1) is (n - 1) - 2.

so b = 1, and c = -3

Step 5: Write down your final answer in the form an² + bn + c.

3n² + (n - 1) -2

= 3n² + n - 1 - 2

= 3n² + n - 3

Therefore, the values of a, b and c are:

  • a = 3
  • b = 1
  • c = -3
4 0
3 years ago
I need help because I don’t know what they are asking
Mashutka [201]

Answer:

  16x -2

Step-by-step explanation:

You know how to compute the perimeter of a rectangle of length L and width W:

  P = 2(L+W)

Here, you're asked to use the given algebraic expressions for length and width and simplify the result of putting those in the perimeter formula.

  P = 2((5x-2) +(3x+1))

  P = 2(8x -1)

  P = 16x -2 . . . the perimeter of the rectangle

6 0
3 years ago
Can you please help me I have a test tomorrow
Triss [41]

Answer:

I hope you do good on your test!

Step-by-step explanation:

6 0
2 years ago
The slant height is 8 inches and the diameter is 8 inches, what
Lynna [10]

Answer:

150.85inches

Step-by-step explanation:

TSA of cone= πr(r+l)

= 22/7×4(4+8)

= 150.85inches

4 0
2 years ago
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