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3 years ago

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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A shop repairs both audio and video components. Let A denote the event that the next component brought in for repair is an audio

kow [346]

Answer: 0.6

Step-by-step explanation:

The probability formula to find p(B/A) is :

P(B/A) = p(A n B) / p(B)

Which means that A is contain in B and p(A n B) is p(A)

p(A n B)= p(A)=0.6 × 0.05 = 0.03

p(B)=0.05

Therefore

P(B/A) = p(A n B) / p(B)=p(A) / p(B)

P(B/A)=0.03 / 0.05

P(B/A)=0.6

5 0

3 years ago

Pls help w explanation!!

Rama09 [41]

Answer:

A is the Answer

Step-by-step explanation:

Since the population is being split up into 2 divisions out of 5,000.

This means District X and Y must add up 5000.

$x + y = 5000$

District X and Y must differ no more than 500 people.

So this means that X and Y total people difference cannot be over 500 people. So the equation for this is

$x - y \leqslant 500$

A shows this so A is the answer.

8 0

3 years ago

Asdhfj,..kjdsaDzfxhj,jhsaZ

RSB [31]

Answer:

ku hgkjfghdehfv bfd

Step-by-step explanation:

7 0

3 years ago

Calculate volume of a planet if radius is 6050 and answer in scientific notation

Gre4nikov [31]

Answer:

9.3*10^11

Step-by-step explanation:

4/3πr^3=9.3*10^11

6 0

2 years ago

If the first step in the solution of the equation -9+x=5x-7 is "subtract x", then what should the next step be

kicyunya [14]

The next step would be 10n=5x-7+9-x
sincerely- brock<span />

8 0

3 years ago