Answer:
f⁻¹(x) = x - 3
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality<u>
</u>
<u>Algebra I</u>
- Functions
- Function Notation
- Inverse Functions
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
f(x) = x + 3
<u>Step 2: Find</u>
- Swap: x = y + 3
- [Subtraction Property of Equality] Isolate <em>y</em>: x - 3 = y
- Rewrite: f⁻¹(x) = x - 3
Answer:
100-mn
Step-by-step explanation:
He bought m books for n dollars each to know the amount of the books he bought,it means m×n=mn
He had $100 intially so to determine the amount left
100-the amount spent
100-mn
Therefore the answer is 100-mn
Answer:
$24.52
Step-by-step explanation:
The basic direct labor rate = $18.00 per hour.
Payroll taxes are 14% of the basic direct labor rate
So, payroll Tax = 14% of 18
So, payroll Tax = 
Fringe benefits such as vacation and health care insurance, are $4.00 per hour.
So, standard rate per direct labor hour= $18.00 +$2.52+$4.00
Standard rate per direct labor hour= $24.52
Hence the standard rate per direct labor hour is $24.52
The Answer is in the attached file, I'm sorry if I can't write it on laptop, hope this helps man! :) and tell me if it's correct or wrong when your teacher see's it.