dogsb4doods
08.12.2020 •
Mathematics
F(x) = 2x + 5
g() = 5x - 3
h(x) = 7
15. f(x) + g(x) =
16. f(x)- g(x) =
17. h(x) · g(x) =
Help w all pls
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Ответ:
9514 1404 393
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.
__
15. f(x) + g(x) = (2x +5) +(5x -3)
f(x) +g(x) = 7x +2
__
16. f(x) - g(x) = (2x +5) -(5x -3)
f(x) -g(x) = -3x +8
__
17. h(x) · g(x) = (7) · (5x -3)
h(x) · g(x) = 35x -21
Ответ: