Carolyn264 Carolyn264

11-04-2014
Mathematics

Answered

Consider polynomial function f(x) = (x+ 1)(x−2)(x−3).

AFind all zeros.
BThe zeroes divide R into a few open intervals. Find sign of f(x) for x in each

interval.

Verified Answer :

crisforp crisforp

12-04-2014

Af(x) = 0 <=> x = -1 or x = 2 or x = 3;
b) x∈(-oo, -1) => f(x) < 0;
x∈(-1, 2) => f(x) > 0;
x∈(2, 3) => f(x) < 0;
x∈(3, +oo) => f(x) > 0;

Answer Link

Related Questions

indentured servants in the virginia colony mostly come from

If x 2 is a factor of x3 6x2 kx 10 k

If I use 24 ft of fencing and try a circular shape for a vegetable area what will the length of the diameter be

what do leaf and a cheek have in common

As of 2008 the population of Australia was 213 million and the population of New Zealand was closer to million A 4 B 10 C 12 D 8

What happens to an igneous rocks that makes finding fossils in them likely

What are the two important parts of physical fitness program A Skillrelated and healthrelated B Physicalrelated and mentalrelated C Heartrelated and skeletalrel

During metaphase chromosomes line up along the equator of the cell The cell then moves into anaphase with microtubules attaching to the of each chromosome ions

Harry worked 7hours last week this is 13 as many hours as aidan worked how many hours did aidan work

how many 512 are in 2 12