Prephub

Free Sample Paper! Boost your grades with additional practice papers.

Question

Difficulty Level:

Medium

MCQ

$f(x)=(x-1)(4 x+3)(3 x-8)$ has zeros at $x=-\frac{3}{4}, x=1$ and $x=\frac{8}{3}$ . What is the sign of ${f}$ on the interval $-\frac{3}{4}<{x}<{1}$ ?

Select all that apply :

$f$ is always positive in the interval

$f$ is always negative in the interval

$f$ is sometime positive sometimes negative on the interval.

None of the above.

0 Claps

－ Create Free Account

Create a free account to view solution to this Question

By signing up, you accept PrepHub’sterms of serviceand dataprivacy policy.

－ Create Free Account

Create a free account to view solution to this Question

By signing up, you accept PrepHub’sterms of serviceand dataprivacy policy.