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3 years ago

Which type of data would be most appropriate to collect to indicate student performance that is not related to tests?

Mathematics

1 answer:

mamaluj [8]3 years ago

5 0

Prelinguistic milieu teaching. Im not sure about 'data'.

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Given that f (x) = StartFraction 2 Over x squared EndFraction and g (x) = StartFraction 13 Over x squared EndFraction What is th

taurus [48]

The given functions of <em>f </em>and <em>g</em>, where; $f(x) = \frac{2}{ {x}^{2} }$ , $g(x) = \frac{13}{ {x}^{2} }$ gives the domain of the functions as the option;

a. All non zero real numbers

<h3>How can the domain of the functions be found?</h3>

The given functions are presented as follows;

$f(x) = \frac{2}{ {x}^{2} }$

$g(x) = \frac{13}{ {x}^{2} }$

The given functions have <em>x²</em> as the denominator, therefore;

The domain of the functions are the possible x-values, which gives;

x² = (-x)² = Positive number

At <em>x </em>= 0, we have;

$f(x) = \frac{2}{ {0}^{2} } = \infty$

$g(x) = \frac{13}{ {0}^{2} } = \infty$

The domain is therefore;

a. All non zero real numbers

Learn more about the domain and range of a function here:

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7 0

1 year ago

The diameter of a cylindrical container is 22cm. If the volume of the container is 1331cm³, calculate its height.

lisabon 2012 [21]

Answer:

3.5cm

Step-by-step explanation:

Vol=πr²h

Transposing for h,=vol÷πr²

where r=22/2=11cm and taking π=3.142

h=1331/(3.142×(11)²)=3.5cm

6 0

2 years ago

Read 2 more answers

The table represents a function.

Zarrin [17]

We have to complete the statement:

" The rate of change in the function y=x+4 is ______ the rate of change of the function represented in the table."

Let us consider the function represented in table.

The coordinates given in the table are:

(0,6) (2,8) (4,10) and (6,12)

Consider the first two coordinates (0,6) and (2,8)

$x_{1}=0 , y_{1}=6, x_{2}=2 , y_{2}=8$

Equation of line is given by $(y-y_{1})=m(x-x_{1})$

where 'm' is slope(rate of change) is given by the formula:

$m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

So, $m = \frac{8-6}{2-0}=1$

So, equation of line is :

(y-6)= 1 (x-0)

y-6=x

y=x+6

Comparing it with standard equation of line y=mx+c with slope 'm'.

So, we get m(Rate of change)=1.

Now,

We will find the rate of change(slope) in the function y=x+4

Comparing it with standard equation of line y=mx+c with slope 'm'.

So, we get m(Rate of change)=1.

So, " The rate of change in the function y=x+4 is equal to the rate of change of the function represented in the table.

7 0

4 years ago

A stereo speaker in the shape of a triangular pyramid has a height of 8.25 inches. The area of the base of the speaker is 22 squ

alexandr1967 [171]

Answer:

A. 60.5 $in^{3}$

Step-by-step explanation:

A = 1/3(area of base)(h)

= 1/3(22)(8.25)

= 60.5 $in^{3}$

7 0

3 years ago

Read 2 more answers

If G^-1(x) is the inverse of G(x), what is the value of G^-1(G(x))?

Ber [7]

Answer:

$G^{-1}(G(x))=x$

Step-by-step explanation:

Definition: Let f be one-to-one function with the domain A and the range B. Then the inverse function $f^{-1}$ has the domain B and the range A and is defined as

$f^{-1}(y)=x\ \Leftrightarrow \ f(x)=y$

Facts:

1) For every $x\in A:$

$f^{-1}(f(x))=x$

2) For every $y\in B:$

$f(f^{-1}(y))=y$

So, $G^{-1}(G(x))=x$

5 0

4 years ago