3 years ago

Write the inverse of 5x – 17 = 11 + 3y in f–1(x) notation.

Mathematics

1 answer:

nekit [7.7K]3 years ago

6 0

Answer:

Step-by-step explanation:

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(3x3 - 7x2 + 12) - (3x3 + 6x2 + 10x)

inn [45]

(3x³ - 7x² + 12) - (3x³ + 6x² + 10x)
(3x³ - 3x³) + (-7x² + 6x²) - 10x + 12
-x² - 10x + 12

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4 years ago

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Alex is making puppets for a show. He bought all the string needed for $125. It costs $18 for the remaining materials to make ea

Alexus [3.1K]

Alex bought all the string needed for $125.

It costs $18 for the remaining materials to make each puppet.

So if we closely observe then we see that here $125 is the fixed cost because its not going to change with number of puppets.

And the variable cost is $18.

In this case we can model a Total cost function C(x) for for x number of puppets as below

$C(x)=125+18x\\ \\ \text{Here x is the number of puppets}\\ \\ \text{Since in our case the number of puppets is 50 so replace x by 50 we get }\\ \\ C(50)=125+18*50\\ \\ C(50)=125+900\\ \\ C(50)=1025 \ dollar.$

The total cost to make 50 puppets=$1025

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3 years ago

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Adam bought note pads at a 1.45 each and 10 towels he gave the cashier $100 and received $46 change find the cost of the towel

notsponge [240]

$100-$46 = $54 which is how much was spent. 54-1.45 = 52.55 divide that by 10 and you get 5.25

Each towel was $5.25

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3 years ago

Factoring using GCF 15cd + 30c^2d^2

olchik [2.2K]

Answer:

15cd(1 + 2cd)

Step-by-step explanation:

greatest common factor is 15cd

$15cd*1 + 15cd*2cd\\= 15cd(1 + 2cd)$

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2 years ago

Calculate the distance between the points M=(-9, 8) and G=(-1, 3) in the coordinate plane.

ziro4ka [17]

Answer:

9.4339811320566

Step-by-step explanation:

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3 years ago