Answer:
D) 360
Step-by-step explanation:
The data Kyle collected is (0, 0), (1, 12), and (2, 24), where x represents days and y represents likes.
We can write a linear function to model this situation.
This will be of the form

because it passes through the origin , where m is the slope.
The slope is

Hence the equation is

To find the number of likes on the 30th day, we put x=30 into the equation to get:

The correct choice is D
Answer: 55.25
Step-by-step explanation:
Divide 110.5 by 2 which give you 55.25
So in every hour the car travels at 55.25 miles per hour
So a general harmonic equation is Asin(2πt/T). Little t is just a variable. 6 inches is the height of one maximum and one minimum from equilibrium, so that is the amplitude A. T is the period, or the time of one cycle (or wavelength), which is 2 seconds.
The equation is therefore (in terms of seconds and inches), 6*sin(2πt/2), or 6*sin(πt).

the equation is a quadratic one, and it has a positive coefficient on the leading term, meaning, is opening upwards, so it has a "burrow" for the vertex.
the minimum or lowest point for a quadratic opening upwards is, well, the vertex point :), the "x" value is the year, the "y" or f(x) value is the population, we're asked for the year, or the x-coordinate of the vertex
well
4800in.=400ft.
I hope this will help