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3 years ago

Does this graph show a function? Explain how you know.

Mathematics

2 answers:

Tom [10]3 years ago

5 0

Answer: B

Step-by-step explanation:

Just did it on apex

Sergio [31]3 years ago

3 0

Answer: No the graph fails the vertical line test.

Step-by-step explanation:

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84 is 21% of what number

MaRussiya [10]

The best way to solve this is to set up a proportion

84 21
---- = ------
x 100

then you cross multiply and divide

100 × 84 = 8400 ÷ 21 = 400

84 is 21% of 400

6 0

3 years ago

Read 2 more answers

URGENT! WILL GIVE BRAINLIEST!!

IgorC [24]

Answer:

Option C) $a_{n}=m-b+m(n-1)$ for $n={\{1,2,3,...}\}$ is not the correct way to define the given infinite sequence

${\{m+b,2m+b,3m+b,4m+b,...}\}$

Step-by-step explanation:

Given infinite sequence is ${\{m+b,2m+b,3m+b,4m+b,...}\}$

Option B) $a_{n}=m-b+m(n-1)$ for $n={\{1,2,3,...}\}$ is not the correct way to define the given infinite sequence ${\{m+b,2m+b,3m+b,4m+b,...}\}$

Now verify $a_{n}=m-b+m(n-1)$ for $n={\{1,2,3,...}\}$ is true for the given infinite sequence

That is put n=1,2,3,.. in the above function

$a_{n}=m-b+m(n-1)$

When n=1, $a_{1}=m-b+m(1-1)$

$=m-b+0$

$a_{1}=m-b\neq m+b$

When n=2, $a_{2}=m-b+m(2-1)$

$=m-b+m$

$a_{2}=2m-b\neq 2m+b$

When n=3, $a_{3}=m-b+m(3-1)$

$=m-b+2m$

$a_{3}=3m-b\neq 3m+b$

and so on.

Therfore $a_{n}=m-b+m(n-1)$ for $n={\{1,2,3,...}\}$ is not the correct way to define the given infinite sequence

${\{m+b,2m+b,3m+b,4m+b,...}\}$

Therefore option C) is correct

5 0

4 years ago

Convert (10111)2 into decimal number system

Eva8 [605]

Answer:

$(10111)_2 = (23)_{10}$

Step-by-step explanation:

$(10111)_2 = (1 \times 2^4) + (0 \times 2 ^3) + (1 \times 2^2) + (1 \times 2) + (1 \times 2^0)$

$= 16 + 0 + 4 + 2 + 1\\=23$

4 0

3 years ago

Devante went to the college traveling 15 mph and returned home traveling 6 mph. if the total trip took 7 hours, how long did dev

telo118 [61]

If it took t hours to travel to college then it took 7-t to return home.
The distance travelled is the same so 15t=6(7-t), 15t=42-6t, 21t=42, t=2 hours.
So travel to college took 2 hours and it took 5 hours to return home.

7 0

4 years ago

30 points. Precalculus HELP.

Reika [66]

lim x→ 0+ f(x)

you will find the limit is inf

lim x→ 0- f(x)

you will find the limit is - inf

because

lim x→0+ f(x) no equal to lim x→0- f(x)

thus lim x→0 f(x) does not exist

form the graph

lim x→2- f(x) = 6

lim x→2+ f(x)= -2

because

lim x→2- f(x) not equal tolim x→2+ f(x)

thus lim x→2 f(x) does not exist

hope this would help you.

6 0

3 years ago