(b) what are the domain restrictions of the function?
12t
c(t) =
'
4t+3
12t
- will not be a real number when the denominator is zero.
4+² +3

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.