darcies dad is shopping for a car of the 11 models he has considered he has decided to test drive 3 cars in how many orders can he drive the three cars

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute