What is the domain of all exponential functions and why is it always the same?

Question

anonymous · Answer

Lindsie is painting on a canvas with dimensions of 3 ft by 4 ft. She wants to make a display model for a gallery that has twice the area of the original. How much should she increase the length and width by, if she wants to increase them by the same amount?

anonymous · Answer

exponential functions do not ever meet an end without an additional equation involved, so their domain will always be "All Real Numbers", because domain is the range of x values that will be true in the equation

anonymous · Answer

The average cricket jumps vertically with an inital upward speed of 10 ft/s. What is the hang time of such a jump, ignoring air resistance? Use the formula 2003-19-06-00-00_files/i0260000.jpg, where h is the height of the cricket in feet and t is the time in seconds after the jump. Round your answer to the nearest tenth.