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17 May, 18:23

The function f (x) represents the time it takes a boat to travel upstream. The function g (x) represents the time it takes a boat to travel downstream. Given f (x) = 3x - 10 and g (x) = 12x + 8, solve for (f + g) (x) to determine the total roundtrip time.

(f + g) (x) = 15x - 2

(f + g) (x) = 9x - 2

(f + g) (x) = 15x + 2

(f + g) (x) = 9x + 2

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  1. 17 May, 21:50
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    (f + g) (x) = 15x - 2

    Step-by-step explanation:

    The function f (x) represents the time it takes a boat to travel upstream. The function g (x) represents the time it takes a boat to travel downstream.

    Now, given that f (x) = 3x - 10 and g (x) = 12x + 8, and we have to determine (f + g) (x) for the total round trip time.

    So, (f + g) (x) = f (x) + g (x) = (3x - 10) + (12x + 8) = 15x - 2

    Hence, (f + g) (x) = 15x - 2 (Answer)
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