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#ADDMATH #F4
Diberi 3 ialah salah satu punca bagi persamaan kuadratik x² -7x + k = 0. Cari nilai k
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fungsi kuadratik - addmaths.pdf
4.3 MB
[ NOTES #ADDMATH ]

nota fungsi kuadratik
addmath

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credit ::
@sofiamyraa 🤍
#ADDMATH #F4
g(x)= 2x + 3
f(x)= 1-4x Find the composite functions fg(x)
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-8x - 11
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#ADDMATH #F4
Find the composite functions gf(x).
g(x)=2x² and f(x)= 2x-1
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8x² - 8x + 2
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8x² + 8x + 2
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8x² - 8x - 2
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-8x² - 8x + 2
#ADDMATH #F4
Find fg(2)
f(x) = x+2 and g(x) = 5x+3
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#ADDMATH #F4
Find f(-3).
f(x) = 10x-4 and g(x) = x²+2
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#ADDMATH #F4
Find the value of fg(3).
f(x) = 3x-5 and g(x) = x² + 4
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[ NOTES FOR TODAY #ADDMATH ]

🔖 COMPOSITE FUNCTIONS
– describing the outcome of composition of two functions

📌 2 functions , f and g , can be combined to form a composite function .
📌 if x is an object of the function f , then its image is f(x) .
📌 subsequently , if f(x) is an object of the function g , the result is a composite function g[f(x)] or gf(x) .

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#ADDMATH #F4
Ketinggian air, h cm, dlm suatu bekas berbentuk silinder semakin meningkat mengikut masa, t s, & fungsinya → h(t) = 1.4t . Isipadu air, V cm³ , dalam bekas tersebut diberi oleh fungsi V(h) = 88/7h
Nyatakan isipadu air, V, sbgai fungsi masa, t
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#ADDMATH #F4
Diberi f : x → mx/n-x , x ≠ n , g : x → 2x - m dan fungsi gubahan gf : x → (9x-15/5-x) . Cari nilai m .
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