What are the first 4 terms of the sequence 6n-1

What does it mean by solve the exponential equation for x?

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Which is f(5) for the function –2x2 + 2x - 3?