Given that:
lim f(x) = 4
x→2
lim g(x) = −2
x→2
lim h(x) = 0,
x→2
find the limits, if they exist.
Thank you!!!!!!!
(a)
lim [f(x) + 4g(x)]
x→2
(b)
lim [g(x)]^3
x→2
(c)
lim sqrt[f(x)]
x→2
(d)
lim 5f(x)/g(x)
x→2
(e)
lim g(x)/h(x)
x→2
(f)
lim (g(x)h(x))/f(x)
x→2
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Answers & Comments
Verified answer
a)
lim [f(x) + 4g(x)] = lim x-->2 f(x) + 4 lim x-->2 g(x) = 2(4)+ 4(-2) = 0
x→2
b)
(b)
lim [g(x)]^3 = lim x-->2 g(x) lim x-->2 g(x) lim x-->2 g(x) = (-2)^3 = -8
x-->2
(c)
lim sqrt[f(x)] = sqrt(lim x-->2 f(x)) = sqrt(4) = 2
x→2
(d)
lim 5f(x)/g(x)
x→2
= 5 lim x-->2 f(x) / lim x--> 2 g(x) = 5(4)/(-2) = -10
(e)
lim g(x)/h(x) = lim x-->2 g(x) / lim h-->2 h(x) = -2/0 = (does not exist)
lim x→2
(f)
lim (g(x)h(x))/f(x)
x→2
= lim x-->2 g(x) lim x-->2 h(x) / lim x-->2 f(x) = (-2)(0) / 4 = 0