2.4.2 Graph of Functions (II), SPM Paper 1 (Short Questions)


2.4.2 SPM Practice (Short Questions)
 
Question 3:
Which of the following graphs represent y = 2x– 16?
 





Solution:
y = 2x3 – 16
On the y-axis, x = 0.
y = 2(0)3 – 16
y = –16
 
The answer is C.


Question 4:
Which of the following graphs represent y = 3 x ?






 
 
Solution:
y= 3 x  or y=3 x 1
Highest power of the variable x is –1.
It is a reciprocal function y= a x , in this case a=3.
The answer is D.

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