For a year, Charlie records the balance of his checking account at the end of each month. His data can be represented by a linear model,
y = 213.73x + 75.62, where x is the number of months, and y is the
account balance.

Which of the following graphs represents the function f(x) = 2^x

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.

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122