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Xelga [282]
2 years ago
5

Given that f(x) = x^2– 5x– 36 and g(x) = x + 4, find (f +9)(x) and express

Mathematics
2 answers:
kkurt [141]2 years ago
8 0

Answer:

x^2 -4x-32

Step-by-step explanation:

f(x) = x^2– 5x– 36

g(x) = x + 4

(f +g)(x) = x^2– 5x– 36  +  x + 4

Combine like terms

            = x^2 -4x-32

olasank [31]2 years ago
6 0

Answer:

\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}

  • <u>x²-4x-32 (in standard form)</u> is the right answer.
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