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3 years ago

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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Step-by-step explanation:

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3 years ago

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aniked [119]

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Step-by-step explanation:

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3 years ago

The value of a car reduces by 30% every 6 months. A car costs $15,000 when new. What is the value of the car after 2 years?

Allisa [31]

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3 0

3 years ago

A data set consists of the values 2, 6, 3, and 1. If we consider this a population (all the values available), the variance isA.

Hoochie [10]

Answer: E. none of the above

Step-by-step explanation:

The given data values that represents the population:

2, 6, 3, and 1.

Number of values : n=4

Mean of the data values = $\dfrac{\text{Sum of values}}{\text{No. of values}}$

$\dfrac{2+6+3+1}{4}=\dfrac{12}{4}=3$

Sum of the squares of the difference between each values and the mean =

$(2-3)^2+(6-3)^2+(3-3)^2+(1-3)^2$

$=-1^2+3^2+0^2+(-2)^2$

$=1+9+0+4=14$

Now , Variance = (Sum of the squares of the difference between each values and the mean ) ÷ (n)

= (14) ÷ (4)= 3.5

Hence, the variance is 3.5.

Therefore , the correct answer is "E. none of the above".

8 0

3 years ago

Use the following graph to evaluate f’(-5) and f’(-1).

Rzqust [24]

Answer:

Bonsoir,

f'(-5)=-4/3

f'(-1) =3/4

Step-by-step explanation:

f'(-5) = ?

2 points : (-6,9) and (-3,5)

f'(-5)=(9-5)/(-6-(-3))=-4/3

f'(-1) = ?

2 points : (-3,5) and (1,8)

f'(-1)=(5-8)/(-3-1)=3/4

The lines are perpendicular

8 0

3 years ago