Which expression can be used to find the difference of the polynomials? (4m – 5) – (6m – 7 + 2n) (4m – 5) + (6m + 7 + 2n) (4m – 5) + (–6m + 7 + 2n) (4m – 5) + (–6m – 7 – 2n) (4m – 5) + (–6m + 7 – 2n)

What is the range of this function? all real numbers such that y ≤ 40 all real numbers such that y ≥ 0 all real numbers such that 0 ≤ y ≤ 40 all real numbers such that 37.75 ≤ y ≤ 40

If a =6, what is the value of 2a(3b + 5c)?

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