Mathematics: Given that f(x) = x^2– 5x– 36 and g(x) = x + 4, find (f +9)(x) and express the result in standard form.

Given that f(x) = x^2– 5x– 36 and g(x) = x + 4, find

Ответ:

odugerry

11.10.2021

$\longmapsto \: f(x) = {x}^{2} - 5x - 36 \\ \longmapsto \: g(x) = x + 4 \\ \longmapsto(f + g)(x) \\ = f(x) + g(x) \\ = ( {x}^{2} - 5x - 36) + (x + 4) \\ = {x}^{2} - 5x - 36 + x + 4 \\ = \boxed{ {x}^{2} - 4x - 32}$

x²-4x-32 (in standard form) is the right answer.

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Ответ:

boogydavis219

13.10.2020

Mathematics

count all the dots that are greater than 10. you'll get 6 dots. the question is asking for the dots 10 and fewer there is 40 dots in total so you subtract

40-6= 34

the answer is 34/40

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Given that f(x) = x^2– 5x– 36 and g(x) = x + 4, find (f +9)(x) and express the result in standard form.

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