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Dafna1 [17]
3 years ago
5

HELP I DONT KNOW THESE :(

Mathematics
1 answer:
Leya [2.2K]3 years ago
5 0
The answer is -1 and 2
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F(x) = 2x - 3 and f(x) = f'(x), find the value of x.​
Salsk061 [2.6K]

Answer:

x=1

Step-by-step explanation:

According to your typed question,

f(x)=2x-3

Let f(x)=y

y=2x-3

Now,

Interchanging the positions of x and y

x=2y-3

x+3=2y

x+3/2=y

f'(x)=x+3/2

Then,

f(x)=f'(x)

2x-3=x+3/2

2(2x-3)=x+3

4x-3=x+3

4x-x=3+3

3x=3

x=3/3

x=1

According to your image question,

f(x)=x/2x-3

f(x)=f'(x)

Now,

Let y=f(x)

y=x/2x-3

y(2x-3)=x

2xy-3=x

2xy-x=3

x(2y-1)=3

2y-1=3x

2y=3x+1

y=3x+1/2

f'(x)=3x+1/2

Then,

f(x)=f'(x)

x/2x-3=3x+1/2

2x=6xsq+2x-9x+3

2x=6xsq+7x+3

solve for x ok

8 0
3 years ago
What is the area to this shape ?
Dafna1 [17]

Answer:

249.42 units²

Step-by-step explanation:

Given only the apothem of an n-sided regular polygon, the area can be computed as ...

... A = n·a²·tan(180°/n)

For n=3 and a=4√3, this is ...

... A = 3·(4√3)²·tan(60°)

... A = 3·48·√3 = 144√3 . . . . units²

... A ≈ 249.42 units²

4 0
3 years ago
You just got a free ticket for a boat ride, and you can bring along 4 friends! Unfortunately, you have 6 friends who want to com
Sliva [168]

Answer:

Step-by-step explanation:you can take 5

5 0
3 years ago
Read 2 more answers
Write the trinomial as a square of a binomial or as an expression opposite to a square
timurjin [86]
(3a-7)^2

1. 9a^2-21a-21a+49
2. 3a(3a-7)-7(3a-7)
3. (3a-7)(3a-7)
4. Combine like terms
3 0
2 years ago
Simplify the expression below. Make sure to reduce all fractions.<br><br> 8sec(x)/-7sec(x)
Sidana [21]

Answer:

- \frac{8}{7}

Step-by-step explanation:

Given

\frac{8secx}{-7secx} ← cancel sec x on numerator/ denominator

= \frac{8}{-7}

= - \frac{8}{7}

7 0
3 years ago
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