Question

The graph of y = f(x) is shown.

a) Give the coordinates of the
turning point of the graph.
b) Find the roots of f(x) = 0
Note: Please use a comma between your answers.
c) Find f(0)
-3
-2
4
3-
2-
O
-1-
-2-
-~
2
COL
3
X
s+

Answer 1

a) (1,4), b) -1 and 3, c) 3

Explanation:

a) coordinates of turning point are the peak of the graph. this occurs at (1,4),

b) f(x) = 0 means where the graph meets x-axis. it meets x-axis at x = -1 and x =3,

c) f(0) means where the graph crosses the y-axis. it crosses at y = 3