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qaws [65]
4 years ago
11

Find (f*f)(3) f(x)=x^2-x A. 30 B. 6 C. 33 D. -6

Mathematics
1 answer:
Tems11 [23]4 years ago
6 0

Answer:

<h2>A. 30</h2>

Step-by-step explanation:

(f\circ f)(x)=f\bigg(f(x)\bigg)\\\\f\bigg(f(3)\bigg)\\\\\text{Calculate}\ f(3):\\\\f(3)=3^2-3=9-3=6\\\\f\bigg(f(3)\bigg)=f(6)=6^2-6=36-6=30

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The point total possible for the given course is equal to 500.

What is a Percent?

  • A ratio whose second term is 100 is known as a percent.
  • Parts per hundred are used in percentages.
  • The mathematical representation of percent is %.
  • The percent formula is given as, x=p \times b, where b is the base number, x is the number being compared to b, and p is the percent in decimal form.

In the question, it is given that you were 6 points shy of a B and the current total points you have is 394.

So, the total number of points you require for a B is calculated as,

394+6=400

So, the value of x is 400.

It is given that you need 80% of the course total for a B.

\implies p=\frac{80}{100}\\ \implies p=0.8

Here, we have to find the base number (b).

We have, x = 80% of b

\implies x=0.8 \times b\\\implies 400= 0.8 \times b\\\implies x=\frac{400}{0.8}

Simplifying, we get

x=500

Therefore, 500 points were possible in the course.

To learn more about the percent from the given link

brainly.com/question/24877689

#SPJ1

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What is the value of x?
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Answer:

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Step-by-step explanation:

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