I need help with this question

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Determine domain and range, largest open interval, and intervals which function is continuous.