muniraalfadel muniraalfadel

23-01-2021
Mathematics

contestada

given f(x)= x square+ 6x + 12 show that f(x) ≥3 for al values of x
the answer plz faaassst

Respuesta :

ChoiSungHyun ChoiSungHyun

23-01-2021

Step-by-step explanation:

f(x) = x² + 6x + 12

= (x² + 6x + 9) + 3

= (x + 3)² + 3.

Since a² >= 0 for all real values of a,

(x + 3)² >= 0 for all real values of x,

(x + 3)² + 3 >= 3 for all real values of x.

Hence f(x) >= 3. (Shown)

Answer Link

Otras preguntas

busca diez vocablos que sean ejemplos de spanglish

HELP ASAP I WILL MARK BRAIN THINGYAnalyze the image above. If Jessica has $12 and his mom has $56, what is the color of the sun?George WashingtonMasashi Kishimo

Sam and Bethan share £54 in the ration of 5:4 work out how much each person gets

Annie wants to have children, but she and her husband have been unsuccessful so far. Do her cells in her ovaries need to go through mitosis or meiosis? Choose

Dario puts 44 marbles in a box in which 14 are red, 12 are blue, and 18 are yellow. If Dario picks one marble at random, what is the probability that he selects

brain chooses an integer, multiplies it by 4 then subtracts 30. He then multiplies his answer by 2 and finally subtracts 10. His answer is two digest number. Wh

I need help with this

Pls help it is due today

Please please help me where is the answer

Two heterozygous red flowers (white flowers are recessive) are crossed. What percentage of the offspring will have the recessive trait? a. 25% b. 75%