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kenny6666 [7]
3 years ago
12

Given that F(x) = x 2 + 2, evaluate F(2). 0 2 6

Mathematics
2 answers:
belka [17]3 years ago
4 0
Answer 6

2^2+2
4+2=6
Got it
Aliun [14]3 years ago
3 0

Answer:

The correct option is <u>C) 6</u>

Step-by-step explanation:

we need to calculate the value of function at x=2

The given function is F(x)=x^{2}+2

To calculate F(2), we replace 'x' with 2 in F(x)=x^{2}+2

F(2)=2^{2}+2

F(2)=4+2

F(2)=6

Therefore, the correct option is <u>C) 6</u>

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Write the equation 9y = 12x + 0.2 in standard form. Identify A, B, and C.
uysha [10]

Answer:

A = -12, B = 9 and C = .2

Step-by-step explanation:

So it just looks like we need to use algebra to move everything around to get it in the form Ax + By = C

So, let's start with 9y = 12x + 0.2.  From standard form we have all terms wth variables on one side, so let's do that.  the right sie has both a variable term and non variable term, so let's get rid of the variable term.  The variable term is 12x, so to get rid of it you subtract 12x from both sides.

9y = 12x + 0.2

9y - 12x = 0.2

To make it exactly in standard form just rarrnge.

-12x + 9y = 0.2

So now we have A = -12, B = 9 and C = .2

5 0
3 years ago
PLEASE HELP ASAP I am kinda stuck on this because my teacher didn’t teach me this
wariber [46]

Answer:

the first option

a = -2

b = 3

Step-by-step explanation:

See photo attached. (:

5 0
3 years ago
Find out what number the X represents <br>7x -9 = 5<br>​
BigorU [14]

I have worked it out the answer equals 2

8 0
3 years ago
Corrine wrote temperatures in degrees Celsius and the equivalent temperatures in degrees Fahrenheit.
san4es73 [151]
Hi, thank you for posting your question here in Brainly. 

Celsius and Fahrenheit are units of temperature, and they can be converted using a formula.

F = C*1.8 + 32

For example, 30°C is
F= 30*1.8 + 32
F = 86°F

Or an easier way to remember without memorizing the formula is by remembering the normal boiling point of water which is 100°C = 212°F.
6 0
3 years ago
Read 2 more answers
College calculus. I've tried it a couple times but i can't seem to get the right answer
boyakko [2]
The area is the sum of 'n' rectangle areas.
The width of the rectangle is size of interval, (domain size)/n
The height of each rectangle is f(interval) as interval moves along domain.

For this example, domain size = 3-1 = 2
size of interval = 2/n
height varies from f(1) to f(3), increasing by 2/n each time.
f(1+(2/n)i)

Putting this together, the area is the sum of:
\frac{2}{n}*f(1+\frac{2i}{n})

Since you are given the function f(x). Sub input into f(x) to get area in terms of n and i.

f(1+\frac{2i}{n}) = \frac{3(1+\frac{2i}{n})}{(1+\frac{2i}{n})^2 +8} \\  \\ =\frac{3n+6i}{n}*\frac{n^2}{(n+2i)^2 +8n^2} \\  \\ =\frac{3n^2 +6ni}{9n^2+4ni+4i^2}

Finally, the summation is:
\frac{2}{n}*\frac{3n^2 +6ni}{9n^2+4ni+4i^2} = \frac{6n +12i}{9n^2+4ni+4i^2} \\  \\  A =\lim_{n \to \infty} \sum_{i=1}^n \frac{6n +12i}{9n^2+4ni+4i^2}
7 0
3 years ago
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