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Fudgin [204]
3 years ago
8

What is the solution of log(2+4) = log(14-3)?

Mathematics
1 answer:
MrMuchimi3 years ago
6 0

Answer:

To simplify: log10(2+4) = log10(14-3) your answer: 45

To expand: Click on the picture to get full view. Thought it would be easier to understand this way instead of me writing what I got on paper out on brainly. The answer for this is also: 45

Hope this helps! If so please mark brainliest and rate/heart if it did so it will help out my account!

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How many real roots does the function f(x)=x^2-3x+4 have
nadya68 [22]
Since b^2 - 4ac = 9-16 < 0

There is no real root present. 
5 0
3 years ago
Which of the following statements regarding the expansion of (x + y)^n are correct?
kompoz [17]

Answer:

A, B and D are true statements.

Step-by-step explanation:

We are given a binomial expansion

(x+y)^n=^nC_0x^ny^0+^nC_1x^{n-1}y^1+^nC_2x^{n-2}y^2+...........+^nC_nx^0y^n

(x+y)^n=x^n+nx^{n-1}y+^nC_2x^{n-2}y^2+...........nxy^{n-1}+y^n

Now we will check each option

Option A: The coefficients of x^n and y^n both equal 1.

If we see first and last term of the expansion, This statement is true.

Option B: For any term x^ay^b in the expansion, a + b = n.

Let we take 3rd term of expansion ^nC_2x^{n-2}y^2

Here, a=n-2 and b=2

If we do  a+b = n-2+2=n

a+b=n is true statement.

Option C: For any term x^ay^b in the expansion, a - b = n.

Let we take 3rd term of expansion ^nC_2x^{n-2}y^2

Here, a=n-2 and b=2

If we do  a-b = n-2-2=n-4≠n

a-b=n is false statement.

Option D: The coefficients of x^ay^b and x^by^a are equal.

If we take second term from beginning and last of the expansion.

\text{Coefficient From beginning } nx^{n-1}y=n

\text{From last } nxy^{n-1}=n

This statement true.

8 0
3 years ago
Find the inverse of each function<br><br> 1. f(x) = 4/(x+2) - 2<br><br> 2. f(x)= -2x^5 - 3
lisabon 2012 [21]

We are given the following function:

f(x) = 4/(x+2) - 2

We are asked to determine the inverse of this function. To do that we will first change the "f(x)" for "y":

y =  \frac{4}{x + 2}  - 2

Now we will switch "x" and "y", like this:

x =  \frac{4}{x + 2}  - 2

Now we will solve for "y", first by adding 2 to both sides:

x + 2 =  \frac{4}{y + 2}

Now we multiply both sides by "y+2":

(y + 2)(x + 2) = 4

Now we divide both sides by "x+2":

y + 2 =  \frac{4}{x + 2}

Now we subtract 2 to both sides:

y =  \frac{4}{x + 2}  - 2

Now we change "y" for the inverse of f(x), that is:

{f}^{ - 1} (x) =  \frac{4}{x + 2}  - 2

And thus we found the inverse. A similar procedure can be used for function 2.

8 0
3 years ago
Read 2 more answers
1. Find the derivative of f(x), at x = 10<br> f(x) = - 5x² + 13x
Serhud [2]

Answer:

-10x+13

Step-by-step explanation:

Im not 100% sure but i tried!

6 0
2 years ago
Rachel earned 34$, 34 in 4 hours at her job today
forsale [732]
If you're asking how much she made per hour, it would be 8.5$
6 0
3 years ago
Read 2 more answers
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