Chapter 7.5A, Problem 18A

ASSESSMENT

Decide whether each of the following is true or false.

a. $\sqrt[7]{x}$ is a real number if $x$ is real.

b. $x^2{x}^3=x^5$ for all real numbers $x.$

c. $3^x+3^y=3^{xy}$ for all rational numbers $x,y.$

d. $\sqrt[4]{x^2}=x^{\frac{1}{2}}$ for all real numbers $x.$

e. $x^3÷x^2=x$ for all real numbers $x.$

f. $a^m{a}^n=a^{mn}$ for all real numbers $a.$

g.

h.