Respuesta :

9514 1404 393

Answer:

  15. f(x) +g(x) = 7x +2

  16. f(x) -g(x) = -3x +8

  17. h(x) · g(x) = 35x -21

Step-by-step explanation:

Substitute the function definition for each function expression and simplify.

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15. f(x) + g(x) = (2x +5) +(5x -3)

  f(x) +g(x) = 7x +2

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16. f(x) - g(x) = (2x +5) -(5x -3)

  f(x) -g(x) = -3x +8

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17. h(x) · g(x) = (7) · (5x -3)

  h(x) · g(x) = 35x -21