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Neporo4naja [7]
2 years ago
12

Why do we not use closed parentheses/brackets for positive and negative infinity?

Mathematics
2 answers:
andrew-mc [135]2 years ago
7 0

Answer:

i dont know why

Step-by-step explanation:

CaHeK987 [17]2 years ago
4 0

Answer:

Because, That's what math says. Sorry I'm not good at answering

Step-by-step explanation:

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Let f=​{(-1, 4)​,(1, 9)​,(4, 0)​} and g=​{(-1, -8)​,(2, -7)​,(4, 8)​,(5, -9)​}. Find​ g/f and state its domain.
tekilochka [14]

Answer:

g/f = {(-1, 2)}

domain of g/f = {-1}

Step-by-step explanation:

Given,

f =​ {(-1, 4)​,(1, 9)​,(4, 0)​},

g = ​{(-1, -8)​,(2, -7)​,(4, 8)​,(5, -9)​}

So, Domain of f = {-1, 1, 4},

Domain of g = {-1, 2, 4, 5}

Since,

\frac{g}{f}(x) = \frac{g(x)}{f(x)}

Thus, domain of g/f = Domain of f ∩ Domain of g = {-1, 4}

If x = -1,

\frac{g}{f}(-1) = \frac{g(-1)}{f(-1)}=\frac{-8}{-4}=2

If x = 4,

\frac{g}{f}(4) = \frac{g(4)}{f(4)}=\frac{8}{0}=\infty (\text{ not possible})

Hence, the domain of g/f = {-1}

And, g/f = {(-1, 2)}

4 0
3 years ago
Can Yall help me please
Ganezh [65]

Answer:

it would be the size of the average desktop monitor

Step-by-step explanation:

8 0
3 years ago
Lashonda started to run on a treadmil, after setting it's timer for 64 minutes, The display states that she has finnished 68% of
Lynna [10]

Step-by-step explanation:

It is 64*0.32=20.48 minutes or 20.5 minutes.

6 0
3 years ago
Read 2 more answers
Ben and his three friends were ordering pizza. They could spend at most $26. If a large
lutik1710 [3]

Answer:

6 toppings

Step-by-step explanation:

The t in this equation represents the amount of toppings.

22 + 0.65t = 26

-22 -22

0.65t = 4

0.65t/0.65 = 4/0.65

t = 6

They could get 6 toppings and the total would be $25.90.

6 0
3 years ago
out of 420 students enrolled in a recreational soccer program, 40% are sixth graders. How many students in the program are sixth
Juliette [100K]

0.4(420) = 4(420)/10

(0.4 is essentially 4/10)

1680/10 = 168

There are 168 sixth graders

5 0
3 years ago
Read 2 more answers
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