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2 years ago

Please help with the first question....

Mathematics

1 answer:

Morgarella [4.7K]2 years ago

7 0

Answer:

A) The functions are not inverses of each other.

Step-by-step explanation:

$f(g(x))=\sqrt{(x^2+3)-3}=\sqrt{x^2}=|x|\ne x$

The result of f(g(x)) is not always x, so the functions are not inverses of each other.

In general, a quadratic (or any even-degree polynomial) such as g(x) cannot have an inverse function because it does not pass the horizontal line test.

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Monica's Money

pentagon [3]

Answer: The y-intercept should be the $20. The equation would be y=10x+20. Not sure if that’s what you’re asking.

Step-by-step explanation:

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2 years ago

How to find cp if loss and sp are given

velikii [3]

Step-by-step explanation:

$\tt{ \: H \: E \: Y \: \: T \: H \: E \: R\: E \: }$ !

When Loss and Selling price ( SP ) are given , Cost price ( CP ) can be found out using the following formulae :

✰ $\large{ \boxed{ \boxed{ \tt{CP = Loss + SP}}}}$

$\text{How \: did\: we \:get \:the \: formula : \: CP \: = Loss \: + \: SP} \:$ ?

We simply derived the formula from Loss = CP - SP.

First , Swap the sides of the equation :

⟶ $\text{CP - SP = Loss}$

Move SP to right hand side and change it's sign :

⟶ $\text{CP = Loss + SP}$

This is how , CP can be obtained when we are given loss and SP.

Hope I helped ! ♡

Have a wonderful day / night ! ツ

# $\underbrace{ \tt{C \: a \: r \: r \: y \: \: O \:n \: \: L \: e \: a \: r \: n \: i \: n \: g}}$ !!

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8 0

2 years ago

5y - (21x + 7) Which is the correct description

belka [17]

Answer

-21x + 5y - 7

Did this help?

Step-by-step explanation:

7 0

2 years ago

What is the value of the cube below? A. 9h B. 3h C. 6h D. 9h^2

coldgirl [10]

Answer:

B: 3h

Step-by-step explanation:

Because every line on that cube or any cube will be the same length, width, and height.

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3 years ago

The officers of a high school senior class are planning to rent buses and vans for a class trip. Each bus can transport 6363 st

attashe74 [19]

Answer:

1 bus, 72 vans
$6960 is the minimum cost

Step-by-step explanation:

A bus costs over $19 per student; a van costs less than $12 per student. The required number of students could be transported by 81 vans, but that requires 81 chaperones.

Since there are only 80, and a bus requires fewer chaperones per student, we can reduce the number of required chaperones to an acceptable level by employing one bus. 1 bus replaces 9 vans, and requires 1 less chaperone than 9 vans.

The minimum cost is 1 bus and 72 vans. That cost is $1200 +72×$80 = $6960.

3 0

3 years ago