What is Domain: (-∞, ∞), Range: (-∞, 9), Increasing: (0,8), and Decreasing: (-2,0), (3,∞)
400
This is the average rate of change on the function f(x)=x^2+6x+8 from x=2 to x=6
What is 14
500
This is the answer to the following word problem:
A rectangle's perimeter is 71 feet. What length and width should it have so that its area is maximum? What is the maximum area
What is L= 17.75 ft, W=17.75 ft, and A= 315.0625 ft^2
500
This is the domain of f(g(x)) when f(x)=1/(x-2) and
g(x)=(x+4)^(1/2)
What is [-4,0)U(0,∞)
500
These are the x-intercepts of this function:
f(x)=2x^3+17x^2+21x
What is x=0, x=-3/2, and x=-7
500
This function models how much you get paidb(P) as a function of your hours worked (t) according to this problem:
You have a summer job that pays time
and a half for overtime. (If you work more
than 40 hours) After that it is 1.5 times
your hourly rate of $7.00/hr.
What is P(t)= 7t if 0≤t≤40
10.50(t-40)+280 if t>40
500
This is the average speed of the soccer ball in the following problem:
A soccer ball is kicked 25 m, then 15 m, 8 m , and finally 12 m. All this takes place in 45 seconds. Calculate the average speed of the soccer ball. Assume the ball is always kicked in the same direction