Find the domain of each rational expression. (2x - 4) / (x + 7)

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {1, 1/2, 1/4, 1/8, ....}

Evaluate each expression. -|4/7|

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. 6x+3x⁴

Write each fraction in lowest terms. 18/90

Factor out the greatest common factor from each polynomial. See Example 1. 8k³+24k

Simplify each expression. (n⁶)(n⁴)(n)

Write each root using exponents and evaluate. ∜81

Find the domain of each rational expression. (3x + 7) / (4x + 2)(x - 12)

Write each fraction in lowest terms. 16/64

Write each root using exponents and evaluate. ∜256

Simplify each expression. (a⁸)(a⁵)(a)

Evaluate each expression. -|7/2|

Identify each number as real, complex, pure imaginary, or nonreal com-plex. (More than one of these descriptions will apply.) -7i

Simplify each expression. (9³)(9⁵)

Factor out the greatest common factor from each polynomial. See Example 1. xy-5xy²

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. -7z⁵-2z³+1

Evaluate each expression. -|-3|

Write each root using exponents and evaluate. ∛-125

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {x | x is a natural number greater than 11}

Find the domain of each rational expression. 12/ (x² + 5x + 6)

Evaluate each expression. -|-12|

Factor out the greatest common factor from each polynomial. See Example 1. 5h²j+hj

Simplify each expression. (4²)(4⁸)

Write each root using exponents and evaluate. ∛-343

Find the domain of each rational expression. 3 / (x² - 5x - 6)

Write each root using exponents and evaluate. ∜-81

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. $15a^2{b}^3+12a^3{b}^8-13b^5+12b^6$

Determine whether each statement is true or false. |25| = |-25|

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {x | x is a fraction between 8 and 9}