Answer:
For every book Chloe read Peyton read 5
Step-by-step explanation:
Chloe  : Peyton
11   : 55
Divide each by 11
11/11  : 55/11
1 : 5
For every book Chloe read Peyton read 5
 
        
             
        
        
        
To evaluate a function at a given input, you have to substitute every occurrence of the variable with that particular value.
So, for the first function, you have

The name of the variable is obviously irrelelvant, so the same goes for the second function:

 
        
                    
             
        
        
        
Answer:
k(4) = 10
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
k(x) = 18 - 2x
k(4) is x = 4
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>:                    k(4) = 18 - 2(4)
- Multiply:                               k(4) = 18 - 8
- Subtract:                              k(4) = 10
 
        
             
        
        
        
Answer:
About 42%
Step-by-step explanation: