You develop an app to help students complete their homework. To earn money, you sell advertising space on the app’s main screen. An advertiser pays you $15 per month and an additional $0.004 each time the app is opened. Graph the linear equation that represents the monthly income y (in dollars) when the app is opened x times.

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

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°