Which expression is equivalent to 19x − 6x + 2 and why? 15x, because 19x − 6x + 2 = 13x + 2 = 15x 11x, because 19x − 6x + 2 = 19x − 8x = 11x 2 + 13x, because (19x − 6x) + 2 = 13x + 2 = 2 + 13x 2 − 13x, because (19x − 6x) + 2 = −13x + 2 = 2 − 13x

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

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16