Determine whether each statement is true or false. provide a justification for each answer (a showing that a statement holds for a few cases is sufficient to prove a universal statement. (b providing one example when the statement holds is sufficient to prove an existential statement. providing one counterexample is sufficient to disprove a universal statement. proof by exhaustion can be used to prove a universally quantified statement with a finite domain. feedback?

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

What expression is equivalent to 1/2(2+3x-6)

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?