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2 years ago

How to determine if two functions are inverses?

1 answer:

3 0

You will compose the functions (that is, plug x into one function, plug that function into the inverse function, and then simplify) and verify that you end up with just "x". Here's what it looks like:Determine algebraically whether f (x) = 3x – 2 and g(x) = (x + 2)/3are inverses of each other.

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Nicole sells T-shirts, t, for $7.50, and sells sweatshirts, s, for $15. She earns

Elodia [21]

An equation that would represent the relationship between cost and revenue would be: 7.50t + 15s = 525

Hope this helps!! :)

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2 years ago

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Write two multiplication problems that have the same product 3 × 2/6

Ulleksa [173]

4×2/8
5×2/10
6×2/12
7×2/14
8×2/16
9×2/18
10×2/20
There are a lot more problems but here are a couple to help you for now.

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2 years ago

Emma found a 4% interest rate for a $2750 loan for a 3-year term. Blake found the same 4% interest rate on a $2750 loan for a 5-

Sidana [21]

0.4×2750×3
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2 years ago

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Below are two parallel lines with a third line intersecting them.

andrew-mc [135]

Answer:

132 degrees

Step-by-step explanation:

One sit of the 48 degrees is 48 degrees, so that opposite will be the same. Add them up, get 96. There is a full 360 degrees circle, so get 360 and subtract 96 from it, to get 264 degrees. That is the top and bottom angle of the right side, so just divide it in two

4 0

2 years ago

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V = lwh/3 (solve for h)

victus00 [196]

Answer:

$\displaystyle V = \frac{lwh}{3} \rightarrow h = \frac{3V}{lw}$

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle V = \frac{lwh}{3}$

Step 2: Solve for h

[Multiplication Property of Equality] Multiply 3 on both sides: $\displaystyle V = \frac{lwh}{3} \rightarro 3V = lwh$
[Division Property of Equality] Divide lw on both sides: $\displaystyle V = \frac{lwh}{3} \rightarrow h = \frac{3V}{lw}$

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2 years ago