# 2.4 SPM Practice (Short Questions)

2.4 SPM Practice (Short Questions)

Question 3:
Which of the following graphs represent y = 2x3 – 16?

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

Question 4:
Which of the following graphs represent $y=-\frac{3}{x}?$

Solution:
Highest power of the variable x is –1.
It is a reciprocal function