Identify the domain and the range of the relation.

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a. D:{-2,-8,0,4} R:{-1,0, -1}

b. D:{-1,0,1} R:{-2,-8,0,4}

C. D:{-2,-8,-1,0} R:{0, 1,4}

d. D:{-2, -1,0,1} R:{-8,-1,0, 1,4}

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

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Which of the following represents the length of a diagonal of this trapezoid?