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4 years ago

F(x) = - 2x g(x) = 8x^2 - 5x + 7 Find (f • g)(x).

Mathematics

1 answer:

Lunna [17]4 years ago

7 0

9514 1404 393

Answer:

(f•g)(x) = -16x^3 +10x^2 -14x

Step-by-step explanation:

(f•g)(x) = f(x)•g(x) = (-2x)(8x^2 -5x +7)

Use the distributive property:

(f•g)(x) = -16x^3 +10x^2 -14x

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In a survey of 2300 people who owned a certain type of car, 460 said they would buy that type of car again. What percent of the

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Answer:

The survey shows that 20% of the individuals were satisfied with the car.

Step-by-step explanation:

We are given that 2,300 people were surveyed.
We are also given that 460 of those individuals would buy that car again.
We need to find the percentage of individuals that were satisfied with the car.

When we need to find the percentage of a population, we can use the following formula:

$\displaystyle \frac{\text{part}}{\text{whole}} \times 100$

We need to identify the part and the whole in this problem.

We are given that 2,300 people are surveyed, so this is the whole portion.

We are also given that 460 were satisfied, so this is the part portion.

Therefore, we can set up our fraction.

$\displaystyle \frac{460}{2300}$

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$\displaystyle \frac{460}{2300} \times 100\\\\\frac{2}{100} \times 100 = 20\%$

Therefore, of those surveyed, 20% of the individuals were satisfied with the car.

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