Page 58 - Math SL HB Sem 2

,' Letf (x):3x {2 -4, for-l <.r < 5.
-
(a) Find the .r-intercepts ofthe graph ofl
(3)

(b) On the grid below, sketch the graph ofl

v, I IIII I
II -3. I I IIII I

II I I IIII I
II -l I IIII

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:) I I
-T-l -l IIIII
_J II IIIII

IITII
4 I I I r IIIII
-5 I I rIIII
I I I IIIII
I I I I IIIII

I I I I IIIII
I I I IIIII

I I I IIIII

(3)

f
(c) Write down the gradient of the graph of at x = 2.
(1)
(total 7 marks)

2