Предмет: Алгебра, автор: Hhhhhjjjj

Определить четность функции f (x) =x^2 -x^4

Решить неравенство методом интервалов 36-x^2 <0

Ответы

Автор ответа: lidusya13

0

F(-x)=(-x)^2-(-x)^4=x^2-x^4
F(-x)=f(x)
36-x^2<0;
(x-6)((x+6)>0;
x=-6;x=6;
///////////-6_________6////////////
(-~;-6)(6;+~)

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: chelchelovekch

Срочно!!! Проверочное слово в слову "привести"!

7 лет назад

Предмет: Информатика, автор: Аноним

Напишите код в котором вы опишите 4 разных типов данных. Например: b=float(input())

7 лет назад

Предмет: Английский язык, автор: maslova123456i

(Present Simple / Present Continuous / Present Perfect / Past Simple / Future
Simple)
1 The children ... many books at the library.
a) won’t read
b) don’t read
с) haven’t read
d) didn’t read
2 Where ... you ... next summer?
a) have go
b)are going
c) will go
d) did go
3 Their boys ... to loud music yesterday evening.
a) listen
b)listens
c)listened
d) listening
4.My working day ... at seven o’clock.
a) Began
b) begin
c) begins
d) begun.
5.We ... these sentences yet.
a) haven’t translated
b) won’t translate
c) don’t translate
d) didn’t translate
6 ... you ... home at six o’clock last Sunday?
a) have return
b) are returning c) will return
d) did return
7 ... you ever ... that city?
a) did visit
b) will visit
c) have visited
d) do visit.
8 My friend ... football now.
a) doesn't play
b) isn’t playing
c) hasn’t played
d) don’t play.
9 What... Nick ... in the evening?
a) is doing
b) has done
c) does do
d) will do.
10 My brother ... coffee yesterday morning.
a) isn’t drinking
b) didn’t drink
c) won’t drink
d) hasn’t drunk,
11 Her father ... to his doctor tomorrow.
a) has gone
b) will got
c) is going
d)are going.
12 ... they ... breakfast at the moment?
a) have had
b) are having
c) will have
d) do have.
13 They ... already ... a lot of English words.
a) have learned'
b) are learning
c) will learn

7 лет назад

Предмет: История, автор: 3Ilonka3

які слов'янські племена були розселені на території сучасної україни?
1.словени
2.поляни.
3.деревляни.
4.кривичі.
5.сіверяни.
5.радимичі.

10 лет назад

Предмет: Математика, автор: Fenya1

Помогите решить
Cos(x)-2=0

10 лет назад