Injective functions

Courses

About Sowiso

Contact

Unlock

$x$ $x$ $x$ $x$ $x$ $x$ $x$ $x$ $x$

The graph of the function $3\cdot x^3-7\cdot x+2$ of $x$ is drawn in the figure below.

generated image

Determine the two numbers $a$ and $b$ such that the set of all $x$ with $a\le x\le b$ is the biggest closed interval on which $f$ is decreasing. Your answer should be of the form $\rv{a,b}$ , with $a$ and $b$ rounded with a precision to a single decimal.

$\rv{a,b}=$

$\rv{\box,\box}$

About us ⋅ Help ⋅ Privacy ⋅ Terms and conditions
Copyright © 2025 Sowiso

units
abc
abc
abc
vector
logic
function
standard

7

8

9

+

4

5

6

−

1

2

3

÷

.

0

=

×∗×

√

nth root

a■

$fraction$

>

log

sin

∧

e

<

ln

cos

∨

π

≥

|

|

tan

all

≤

!

°

none

↵

backspace

(

)

C

↑

←

↓

→

x

y