5x - 2x=? fast plss i dont want to be grounded

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =