Question

Blux17

Answer 1

1)
y = 47.3 + 0.78x. for x=17 
put 17 in function
y=47.3+13.26=60.56

2) rise/run =rate of change=3/36=1
1/12 inches.

3) go through http://www.coolmath.com/algebra/15-functions/04-functions-with-sets-01

4) 16 birdhose

he akes 2 birdhouse in 30 minute 
so 4 --------in 1 hr(60 min)
16 ------------in 4 hr