reticentrobbie
reticentrobbie reticentrobbie
  • 22-12-2020
  • Mathematics
contestada

Given the function below, find f(-7)
f(x) = -2x -1

Given the function below find f7 fx 2x 1 class=

Respuesta :

Space
Space Space
  • 22-12-2020

Answer:

B

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = -2x - 1

f(-7) is x = -7

Step 2: Evaluate

  1. Substitute in x:                    f(-7) = -2(-7) - 1
  2. Multiply:                               f(-7) = 14 - 1
  3. Subtract:                              f(-7) = 13
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