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2 years ago

Which table represents a function? PLS PLS HELP FAST

Mathematics

2 answers:

Dominik [7]2 years ago

7 0

Answer:

Step-by-step explanation:

Inside a function, a certain unique input cannot ever have more than one output. All of the other tables have more than one output for only one input.

blondinia [14]2 years ago

5 0

Answer:

The last one, D it is not a function because the domain (x) does not repeat.

Step-by-step explanation:

To find whether it is a function or not ALL YOU NEED TO DO is check if the domain (x) repeats, it also includes negative numbers like if the domain is

-2, 3, 5, 2 it will be a function because none of these numbers repeat. Yes the number "-2, and 2" repeat BUT one is negative and one is positive, therefore it is a function because they are different numbers when they are negative and positives.

Also just wanted to mention if the (y) repeats it does not matter. It can repeat even a million times, but if the domain numbers (x) do not repeat, therefore it is a function.

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are any two regular polygons similar. The area of the smaller figure is about 390 cm^2. choose the best estimate of the area of

galben [10]

Answer:

The best estimate of the area of the larger figure is $693\ cm^{2}$

Step-by-step explanation:

step 1

<em>Find the scale factor</em>

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor

Let

z----> the scale factor

x-----> the corresponding side of the larger figure

y-----> the corresponding side of the smaller figure

$z=\frac{x}{y}$

we have

$x=12\ cm$

$y=9\ cm$

substitute

$z=\frac{12}{9}=\frac{4}{3}$ -----> the scale factor

step 2

<em>Find the area of the larger figure</em>

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z----> the scale factor

x-----> the area of the larger figure

y-----> the area of the smaller figure

$z^{2}=\frac{x}{y}$

we have

$z=\frac{4}{3}$

$y=390\ cm^{2}$

substitute and solve for x

$(\frac{4}{3})^{2}=\frac{x}{390}$

$(\frac{16}{9})=\frac{x}{390}$

$x=390*16/9=693.33\ cm^{2}$

4 0

2 years ago

Temp of 20* C will drop by 4*c

svp [43]

Answer:

16* C

Step-by-step explanation:

This is simply 20 - 4

---> 20 - 4 = 16

=> Celcius (C)

Thus, 16° C

4 0

2 years ago

Assume that you take a both you fill a tub the halfway point the tub measures 5 feet long 2.1 gallons per minute. There are 7.5

MatroZZZ [7]

Answer:

both? use water for both of them

Step-by-step explanation:

8 0

2 years ago

What is 58,000,000,000 estimated as the product of a single digit and a power of 10?

brilliants [131]

$The\ scientific\ notation:a\cdot10^n\ where\ 1\leq a \ \textless \ 10\ and\ n\in\mathbb{Z}.\\\\5\underbrace{8,000,000,000}_{\leftarrow10}=5.8\cdot10^{10}\approx6\cdot10^{10}\to\fbox{D.}$

5 0

3 years ago

Read 2 more answers

Which graph shows the equation c=10+3t where c is the the total cost

julia-pushkina [17]

Answer:

Step-by-step explanation:

Please share the possible answer choices next time.

c = 10 + 3t is a linear function with y-intercept (0, 10) and slope 3.

Plot (0, 10). Starting there, move your pencil point 1 unit to the right and 3 units up. Plot this new point (1, 13). Draw a line connecting

(0, 10) and (1, 13).

6 0

2 years ago