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artcher [175]
3 years ago
15

Find the domain of f(x)= x^2+4

Mathematics
1 answer:
dusya [7]3 years ago
8 0

Answer:

(Negative Infinity to Positive Infinity)

Step-by-step explanation:

A domain is all x values that can go into a function. This is a quadratic. A quadratic can accept any real number so the domain is

all \: real \: numbers

or

(Negative Infinity to Positive Infinity)

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Explain why fish are OK with a single pump system but humans need a double pump system.
Lelu [443]

Answer:

A closed circulatory system can have a single or double circulatory pattern. Fish have a single circulatory pattern, wherein the blood passes through the heart only once during each complete circuit. Oxygen-deprived blood from the body tissues comes to the heart, from where it is pumped to the gills.

Step-by-step explanation:

i looked it up

8 0
3 years ago
Consider the functions:
Zolol [24]

Answer:

The function f(x) was translated right 3 units and up 2 units.

Step-by-step explanation:

F(x)=(2/3)^x

If we move it right for 3 units, we get

f(x)= (2/3)^(x-3)

If we move up 2 units , we get

g(x)= (2/3)^(x-3) +2

7 0
3 years ago
A coffee maker priced at $189.99 is on sale for 20% off but then sales tax of 9% and 8% are added to the price after discount. W
11Alexandr11 [23.1K]

Answer:

20%+9%+8%=37% so 189.99*37/100=70.3$ so 189.99-70.3=119.7$

4 0
3 years ago
3 /8 + 2/ 3 = 9/ 24 + 16/ 24 = 25/ 24 =
Alchen [17]
Convert the denominator of the first two fractions to 24 since 3 and 8 can fit into 24.

3/8=9/24

2/3=16/24

Now add them together.

9/24+16/24=25/24

Next add the second two fractions 9/24 and 16/24.

9/24+16/24=25/24


Since all fractions equal 25/24, the equation was true!

Hope this helps!

7 0
3 years ago
F = (9/5× C)+ 32<br><br><br> 90°C = __°F
Nikitich [7]

Answer:

c= 1/ 90  f

Step-by-step explanation:

5 0
3 years ago
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