Page 154 - Math Grade 11 (Basic)
P. 154
PROEUS DARA
?
n. f(x)=-x-+4x n:rll_!'i~ x = -I
2
2. g(x) = x -4x+ 5 tsll_!'i~ X = 2
3 2
tl. y =X - t24Ui~ X = 0
2 2
= h[(a+h) +a(a+h)+a ]
2
. f(a +h)- f(a) . h[(a + h/ +a( a+ h)+ a ]
[ Ill = 1 !ill --'--'----'--:-'---'------"
h-0 h h-•0 h
2 2 2
'!:{ f'(a) = lim[(a+h) +a(a+h)+a ] = 3a
h~O
Q,) 0 I ?
ttrH55nrwl~HuHfi5J f'(x) = 3[ '1
t:::1} ...., cr c:;p c< v o ,
n:iH~ f'(x) tS~St~'i:Hl f(x) t~dl~St~'tlSttlrnnrwl~ttllru
I I
f'(x) = lim f(x +h)- f(x)
h-0 h
tt!HltHLfHH~~Mt;gl y' , ~~ , :)·(x) MUflUfflbtd'hltS y = f(x) '1
o ~ o ~ cr 2
ruun~f!l'3 tt~~J~Ejt~'tls f(x) = x + 3x '1
n. J mtJ1 t~ f'(x) '1
2. Jn /'(0) Sb f'(-1) '1
n. ~n f'(x)
duns9J f(x+h)-f(x) = [(x+h) +3(x+h)]-(i+3x)
2
2
= 2xh + 3h + h
151
