Ax + b = 0 solve for 0 Are you able to solve for 0 and If so what is the answer? Please help, I will mark you brainlist :)

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

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

2x minus y equals 6, x plus y equals negative 3