Find the Limit, if it exist.

Lim (2X-1)/Absolute value of (2X^3 - X^2)
x--0.5^- (from below)

Question

Find the Limit, if it exist.

Lim (2X-1)/Absolute value of (2X^3 - X^2)
x-->0.5^- (from below)

agreene · Answer

it exists, -4.

anonymous · Answer

i was hoping you would show me how to do it. =)

agreene · Answer

the easiest route would be to show that it is asymptotic at 0.5 (plug and show undef) and then you can just plug something relatively close in... 0.4999 and get -4.000something  and then plug in something closer like 0.49999999 and get something like -4.00000something and show it approaches -4 in a proportional rate.

anonymous · Answer

i have to calculate and show work.

agreene · Answer

plugging in values and finding what it equals is "work" its called numeric approximation.

anonymous · Answer

ok thanks