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anonymous
 one year ago
Given that f(x) = 2x + 1 and g(x) = −5x + 2, solve for f(g(x)) when x = 3....PLEASE HELP
anonymous
 one year ago
Given that f(x) = 2x + 1 and g(x) = −5x + 2, solve for f(g(x)) when x = 3....PLEASE HELP

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.1first, replace the x in g(x)by 3 and work it out: g(3) = 5(3) + 2 then plug this result into f(x) , 2x + 1

welshfella
 one year ago
Best ResponseYou've already chosen the best response.15(3) + 2 = 15 + 2 = ?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1correct now plug this into 2x + 1 and work it out that's your answer

Hero
 one year ago
Best ResponseYou've already chosen the best response.0@welshfella what is f(g(x))?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1f(g(x)) = 2(5x + 2) + 1

Hero
 one year ago
Best ResponseYou've already chosen the best response.0Yes you should explain to the user how to calculate f(g(x)) first before evaluating f(g(3)). The user may need to know how to do that, especially if asked to graph f(g(x)) for example.
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