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lutik1710 [3]
3 years ago
5

Let f(x) = 5x – 3 and g(x) = 2x². Perform the function operation and then find the domain of the result.

Mathematics
1 answer:
MAXImum [283]3 years ago
7 0

Answer:

(f+g)x= 2x²+5x-3

The domain x∈ Real number.

Step-by-step explanation:

Given that f(x) = 5x - 3 and g(x) = 2x²

(f+g)x = f(x) + g(x)

So, by using the given function

(f+g)x= (5x-3) + (2x²)= 2x²+5x-3

As the result, 2x²+5x-3, is a polynomial, so domain of the result is all the real numbers.

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What are the positive factors of -72
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3 years ago
The length of segment EF is 8 units, the length of segment ED is 10 units, and the length of segment EA is 13.33 units. Find the
ivanzaharov [21]

Answer:

5.33 unit

Step-by-step explanation:

logically FA = EA - EF = 13.33-8 = 5.33 units

Since, E, F and A all lie on the same line EA . The information ED=  units is redundant. Therefore we can say that FA= 5.33 unit

5 0
3 years ago
The length of a rectangle is twice the width. Given that the perimeter of the rectangle is 24 feet, how many square feet are in
just olya [345]

Answer:

Area = 32feet²

Step-by-step explanation:

Perimeter of a rectangule = 2(length+width)

Then:

g = 2w               Eq. 1

2(g+w) = 24       Eq. 2

g = length

w = width

From Eq. 2:

(2*g + 2*w) = 24

2g + 2w = 24      

2w = 24 - 2g            Eq. 3

Matching Eq. 1  and Eq. 3

g = 24 - 2g

g + 2g = 24

3g = 24

g = 24/3

g = 8 feet

From Eq. 1

g = 2w

8 = 2w

8/2 = w

w = 4 feet

Check:

From Eq. 2

2(g+w) = 24

2(8+4) = 24

2*12 = 24

Answer:

Area of a rexctangle = length * width

Then:

Area = 8feet * 4feet

Area = 32feet²

5 0
1 year ago
An equilateral triangle has a perimeter of 15x3 + 33x5 feet. What is the length of each side?
RUDIKE [14]
(15x3) feet ÷ 3 = (5x1) feet = 5 feet 
33 feet x 5 feet=165 feet
165 feet ÷ 3 = 55 feet 
55 feet÷(33 feet÷3)=55 feet ÷ 11 feet = 5 feet

Ans: 
5 + 11 x 5 feet
5 0
3 years ago
Read 2 more answers
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