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Nina [5.8K]
3 years ago
7

A function is defined by f (x) = 5 (2 minus x). What is f(–1)? –5 5 15 53

Mathematics
2 answers:
Helen [10]3 years ago
5 0

Answer:

f(-1) = 15

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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

<u>Algebra I</u>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 5(2 - x)

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                           f(-1) = 5(2 - -1)
  2. (Parenthesis) Subtract:                                                                                     f(-1) = 5(3)
  3. Multiply:                                                                                                             f(-1) = 15
saw5 [17]3 years ago
4 0

Answer:

15

Step-by-step explanation:

f (x) = 5 (2 minus x)

Let x = -1

f (-1) = 5 (2 minus  -1)

      = 5( 2+1)

     = 5(3)

    =15

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