Toloong… A cup is 6.4 cm tall, not including a 0.6 cm lip. Cups are stacked inside one another. You may want to draw a diagram to help you see how the height of the stack of cups increases. Select the function that represents the height of a stack of cups in terms of the number of cups in the stack. The number of cups in a 18.4 cm high stack is

1

Jawapan

2016-06-25T01:34:25+08:00
H(c)=6.4+0.6c
6.4 is the constant 

when the height of the cups is 18.4 the function is:
18.4=6.4+0.6c
then you subtract 6.4 from both side to get:
18.4 - 6.4=6.4 + 0.6c - 6.4
12=0.6c
c= 12/.6
c=20