Which real number property is illustrated here?
3*-5 = -5*3
associative property of multiplication
identity property of multiplication
commutative property of multiplication
commutative property of addition

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

An equation where variables are used to represent known values—function notation true or false

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers