8. domain=hours
range=cost
it is a function because there is a y value for ever x
9. minutes =60, 120,180, 240 (domain)
calories= 360, 720, 1080, 1440 (range)
this is also a function
Answer:
A reflection followed by a translation!!!!!!!!!!!!!!!!!!!!!!!!!
Step-by-step explanation:
A=3B
$21
21+42=63
x=63:3
x=$21