The number of people who purchase a new video game on a given day can be modeled by the function (t) = 55,000 (), where t represents the number of days since the game's release date. Which of the following statements is true?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?