Find the domain of the following function: f(t) = √(t + 9)(t - 5)
Please help ASAP

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Find the area between y=e^x and y=e^2x over [0,1]

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.