Problem 1 :
Which graph shows the solution for the system of inequalities below?
y ≤ 2x + 2
y > -3x - 1
A)
B)
C)
Problem 2 :
The amount of medicine in Elizabeth's blood is modeled by the function M(t) = -t^{2} + 10t, where t is the number of hours after she takes the medicine. How many hours after Elizabeth takes her medicine is the amount of medicine in her blood the highest?
A. 5 hours B. 10 hours C. 25 hours
Problem 3 :
What is the smallest positive integer for x, so that the value of f(x) = 200(2)^{x} is greater than the value of g(x) = 500x + 400?
Problem 4 :
What is the y-intercept of the function f(x) = 1/2(2x - 4)?
A. (0, -4) B. (0, -2) C. (0, 1)
Problem 5 :
A girl drops a ball from a height of 10 feet. Each time the ball hits the ground, it bounches to 2/3 its previous height. Which equation gives y, the height of the ball after x bounches?
Problem 6 :
Which expression is equivalent to 3(x - 4)^{2}?
A. 3x^{2} + 48 B. 3x^{2} - 24x + 48 C. 9x^{2} - 72x + 144
Problem 7 :
Jane owns x comic books. Derrek owns y comic books.
How many comic books does Derrek own?
Problem 8 :
James is at a gift sale where everything costs $4 (tax included).
What is the greatest number of gifts James can buy?
Problem 9 :
The expression
-5t^{2} + 40t
predicts the height, in meters, of an object t seconds after a person launches it into the air. Using this expression, how many seconds will it take the object to hit the ground?
Problem 10 :
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM