A hot air balloon is descending at a rate of 6.75 feet per second. What is the change in the balloons height after 3 1/2 seconds?

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Which of the following is true for the relation f(x)=2x^2+1

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.