1.a function is a relation.
select one:
a. always
b. sometimes
c. never

5.find the range of f(x) = –x + 4 for the domain {–3, –2, –1, 1}
select one:
a. {3, 2, 1, –1}
b. {7, 6, 5, 3}
c. {1, 2, 3, 5}
d. {–7, –6, –5, –3}

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens