Asked by breanna
find the limit as x reaches infinite with the equation x^2-5/2x+1
Answers
Answered by
MathMate
Remember to ADD parentheses around the numerator and denominator when transcribing fractions.
f(x) = (x²-5)/(2x+1)
By long division, we can reduce f(x) to
f(x) = (1/2)x - 1/4 + 19/(4(2x+1))
Lim x→∞ (1/2)x - 1/4 + 19/(4(2x+1))
= ∞ + 0 + 0
= ∞
f(x) = (x²-5)/(2x+1)
By long division, we can reduce f(x) to
f(x) = (1/2)x - 1/4 + 19/(4(2x+1))
Lim x→∞ (1/2)x - 1/4 + 19/(4(2x+1))
= ∞ + 0 + 0
= ∞
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