QUIZ
Exercise 1: Observe the graph below then answer
the given questions ( 8 pts)
Mention the negative/positive intervals
increasing/decreasing intervals
Absolute minima/ maxima
Exercise 2: Determinate the functions out of
these word problems and interpret them on the
graph (8 pts)
1) In a sports game, every player starts with 5 points
then gains 2 points each time he wins a round
What is the function that represents all of his points
knowing that “x” refers to the number of rounds he won
2) One driver fills his car reservoir with 5L of Gaz
every hour
What is the function that represents the quantity of gas
he has after x hours knowing that he has 2L from the
start?
Exercise 3: Solve the equations below (4 pts)
22 (x+3) - 4 = 0 for x
(x-2)/4 + 3 = 5 for x
14x + 7+ 2x = 30 for x
5( x-3) + 2(x+4) = 0 for x