APFIVE Limit at Infinity with a Trigonometric Function
What is $$\displaystyle\lim_{x \to \infty} \frac{7x^3 + x^2\cos(x)}{2x^3 + 5x}$$?
A
$$\frac{7}{5}$$
B
$$\frac{7}{2}$$
C
$$\frac{5}{2}$$
D
$$\text{nonexistent}$$
What is $$\displaystyle\lim_{x \to \infty} \frac{7x^3 + x^2\cos(x)}{2x^3 + 5x}$$?
$$\frac{7}{5}$$
$$\frac{7}{2}$$
$$\frac{5}{2}$$
$$\text{nonexistent}$$