Answer:
f(-2) = -5
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>
f(x) = 3x + 1
f(-2) is x = -2
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: f(-2) = 3(-2) + 1
- Multiply: f(-2) = -6 + 1
- Add: f(-2) = -5
Answer:
18
Step-by-step explanation:
brainliest plz
Angle θ between two vectors is given by,

; where

;

and

.
Therefore,
Answer:
16)<1 and <7
<8 and <2
<6 and <4
<3 and <5
17)<2 and <3
<7 and <6
18)<1 and <3
<8 and <6
<7 and <5
<2 and <4
19) <1 and <5
<4 and <8
20)<7 and <3
<2 and <6
Step-by-step explanation: