Serena makes 2 1/4 cup of popcorn using 1 1/2 tablespoons of kernels. she wants to know how many tablespoons of kernels to use to make 4 cups of popcorn??

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=