Module 1: Summative Assessment

1

2

0

- 2

x = - 1, -1

x = -1

x = - 1, 1

x = 1

$f\backslash left(x\backslash right)=-\backslash \; x^3-x+1$

$f\backslash left(x\backslash right)=4x^3+x$

$f\backslash left(x\backslash right)=\backslash sqrt\{7\}x$

$f\backslash left(x\backslash right)=4x\backslash \; -2x^\{-5\}$

a non-negative integer

any number except zero

any rational number

an integer