Give a formula for a function with the indicated domain and range:

a) domain all real numbers, range all real numbers

b) domain: the set of integers, range: the set of integers >=2

c) domain:all real numbers, range: the set of reals >=k, where k is a given constant

d) domain: all real numbers, range: {y:a<=y<=b}

e)domain: {x is and element of all real numbers: x>2}, range:{y is an element of all real numbers: y>1}