6 and 4. The answer has to be 20 characters long in order to post so ignore this part.
The given function is,

The graph can be drawn as,
The period will be distance between two consequetive maximas,

Thus, period is correct.
The amplitude can be determined as,

Thus, amplitue is incorrect.
The range is,

Thus, the range is correct.
The midline is,

Thus, the midline is correct.
Thus, option (b) is the solution.
Answer:
m=2y-3
Step-by-step explanation:
To convert km/s to m/min, multiply by 1000*60=60000
hence 0.85km/s=51000 m/min
Answer:
A percentage by definition means out of a hundred.
Anything out of a percent is anything out of a hundred.
In this case it’s 32 percent.
It’s just 32/100
When simplified you’d get 8/25