Answer:
Step-by-step explanation:
b) Parallelogram
c) Square
d) Parallelogram***
***Not too sure about this one.
ANSWER

EXPLANATION
The given function is

The period of this function can be determined using the formula:

.
The period is

Half the period of this function is:

The function which has this period is

The first choice is correct.
Answer:
e) 75
Step-by-step explanation:
Given the following :
Total length of cable = 60 foot
Length of each stripe = (4/5) of a feet
Number of stripes = ( total cable length / length of each stripe)
Number of stripes = ( 60 / (4/5))
Number of stripes = 60 ÷ 4/5
Number of stripes = (60 * (5/4)
= (60 * 5) / 4
= 300 / 4
= 75
Number of stripes made = 75