We can use the vertex form

to find the equation of the graph. We know that a is the coefficient, and since the graph opens upwards and is slightly stretched vertically, we know that a is 1/3. On the graph, we see that the vertex of the parabola is at (0,-1). Therefore, h is 0 and k is -1.
Our vertex form equation is

Which is D
Step-by-step explanation:
(See the chart attached)
The people and users under study and research:
- Widescreen projector and projections.
- Higher-definition screens.
Factors and its data are researched:
- Scale (45, 58, 48, 49, 56) and
- Number of available channels (298, 119, 423, 269, 290).
Answer:
D, E and F
calculating the volume of regular bodies like prims works by multiplication alone.
you need some addition for surface area and for more complicated bodies that when the volume can't be calculated in one step
A. x-4; x representing the cost of admission for adults.
b. $3.50
c. $6