An object is launched from a platform. Its height in meters, x seconds after the launch, is modeled by −3(x+4)2+108. How high is the platform?

For which pair of functions is (gof)(a)=|a|-2?

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?

Describe how you can act financially responsible.