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If f(x) = -2x + 3 and g(x) = 2x + 3; solve for f(3) + g(7)
Answers: 0, 14, 26, 25

Sagot :

Space

Answer:

14

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

  • Functions
  • Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = -2x + 3

g(x) = 2x + 3

f(3) is x = 3 for function f(x)

g(7) is x = 7 for function g(x)

Step 2: Solve

  1. Substitute in x [Functions]:                                                                               f(3) = -2(3) + 3, g(7) = 2(7) + 3
  2. Substitute in functions:                                                                                     f(3) + g(7) = -2(3) + 3 + 2(7) + 3
  3. Multiply:                                                                                                             f(3) + g(7) = -6 + 3 + 14 + 3
  4. Add:                                                                                                                   f(3) + g(7) = -3 + 14 + 3
  5. Add:                                                                                                                   f(3) + g(7) = 14
HaleyArias
The answer would be 14
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