Which statement best describes the limit shown below?x→∞lim−10ex−10x979x56The limit equals zeroThe limit does not existThe limit exists and does not equal zero
Q. Which statement best describes the limit shown below?x→∞lim−10ex−10x979x56The limit equals zeroThe limit does not existThe limit exists and does not equal zero
Analyze Behavior as x Approaches Infinity: We need to analyze the behavior of the function as x approaches infinity. To do this, we look at the degrees of the polynomial in the numerator and the terms in the denominator.
Degree of Numerator and Denominator: The numerator is 9x56, which is a polynomial of degree 56. The denominator is −10ex−10x97, which contains an exponential function ex and a polynomial of degree 97.
Exponential Function Dominance: As x approaches infinity, the exponential function ex grows much faster than any polynomial. Therefore, the term −10ex in the denominator will dominate over the −10x97 term.
Denominator Grows Faster: Since the exponential function grows faster than any power of x, the denominator will grow much faster than the numerator as x approaches infinity. This means that the fraction as a whole will approach zero.
Limit as x Approaches Infinity: Therefore, the limit of −10ex−10x979x56 as x approaches infinity is 0.