The answer is b. There is a proof, but it is easily got by proving the other cases wrong.
An example of the ratio 4:1 could be, in a school for every 4 girls there is 1 boy. Or something similar:)
Answer:
It look right to me
Step-by-step explanation:
Answer:
Midline: -2
Amplitude: 1.5
Period: 4
Step-by-step explanation: I got it right on the plato test.
The Midline is the middle of the number of the function.
The Amplitude is from the midline to the highest or lowest point of the function.
The period is the distance on the x axis from the two points.
Hope this helps!