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tatyana61 [14]
3 years ago
8

What is f(g(x)) when f(x) = x2 + 5, and g(x) = 10 - 5x?

Mathematics
1 answer:
Mashutka [201]3 years ago
5 0

Answer:

D

Step-by-step explanation:

To obtain f(g(x)) substitute x = g(x) into f(x), that is

f(10 - 5x)

= (10 - 5x)² + 5 ← expand (10 - 5x)²

= 100 - 50x - 50x + 25x² + 5 ← collect like terms

= 25x² - 100x + 105 → D

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frozen [14]

Answer:

62.5%

Step-by-step explanation:

Total number of people at the concert = 10000

Number of adults = 6250

Percentage of adults = number of adults/ total number of people at the concert x 100%

That’s

6250/10000 x 100%

0.625 x 100%

62.5%

62.5% of the people at the concert are adults

4 0
3 years ago
Geometry help please :)
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Dominos.com allows you to build your own pizza online, but it only reveals the price at the end of the process. Watch
Ede4ka [16]

Answer:

Hi there!

Your answer is:

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3 0
3 years ago
Which equation represents the function represented by the table? 17 POINTS!!!
dybincka [34]

Answer:

  f(x) = -x -1

Step-by-step explanation:

You can make the correct choice by seeing which equation works for the first line of the table.

  f(-1) = -(-1) -1 = 0 . . . . . the first equation works

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6 0
3 years ago
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balandron [24]

Answer:

3

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
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