guest0905 guest0905

15-09-2020
Mathematics

contestada

please help me solve these questions. at least 2. (i)

please help me solve these questions at least 2 i class=

Respuesta :

ChoiSungHyun ChoiSungHyun

15-09-2020

Step-by-step explanation:

x^2 + 4x + 8 = (x^2 + 4x + 4) + 4 = (x + 2)^2 + 4.

When x^2 + 4x + 8 > 5, this means (x + 2)^2 + 4 > 5.

So (x + 2)^2 > 1.

=> (x + 2) > 1 or (x + 2) < -1.

=> x > -1 or x < -3.

Answer Link

Otras preguntas

What goes in box 5 of the Food web in Figure 3-2? A. herbivores B. scavengers C. carnivores D. decomposers

Is 8 the HCF of 32, 48 and 72?

Hospital operating suites, cardiac and intensive care units, and emergency departments have decentralized drug delivery systems that use

True or false heredity is considered a controllable risk factor

The number of representatives for each state is determined by

The Gallup Poll uses a procedure called random digit dialing, which creates phone numbers based on a list of all area codes in America in conjunction with the a

A bag contains 7 purple beads,4 blue beads,and 4 pink beads.What is the probability of not drawing a pink bead?HELP ME PLEASSEEEIF U HELP ME YOU WILL GET AN IPH

The ancient civilization of Zapotec developed in which current state of Mexico? A: Durango B: Jalisco C: Oaxaca D: Zacatecas

how do i get the answer for this limit limit x to 0 (4^2x-1) without using direct substitution my work so far is limit x to 0= (4^2x-1) = (4^2x/4^-1) is it corr

Is the underlined participial phrase correctly placed or misplaced? [Continuing to stir the soup], the phone rang and my mother answered it. A. misplaced p