Find $\lim _ { x \rightarrow + \infty } f ( x )$ and $\lim _ { x \rightarrow - \infty } f ( x )$ .If the limiting value is infinite indicate whether it is +$\infty$ or -$\infty$. f (x)= (5 - 9x)(x - 2)
A)-$\infty$، - $\infty$
B)-$\infty$، 0
C)+$\infty$، +$\infty$
D)+$\infty$، 0

Question

Quizplus · Accepted Answer

The function $f(x) = (5 - 9x)(x - 2)$ simplifies to a quadratic function with a leading term of $-9x^2$, indicating that as $x$ approaches $+\infty$, $f(x)$ approaches $-\infty$, and as $x$ approaches $-\infty$, $f(x)$ also approaches $-\infty$.

Find lim⁡x→+∞f(x)\lim _ { x \rightarrow + \infty } f ( x )limx→+∞​f(x)

Find $\lim _ { x \rightarrow + \infty } f ( x )$