Answer:
B
Step-by-step explanation:
A graph is only a function when there is only one y value for each x value.
A trick is to draw a line through some points on the x-axis, and if the line goes through more than one point. Then it is not a function. (See picture)
Sorry, not all the lines are straight, but you get the point. B is the only one that doesn't have more than one point on the lines I drew.
Answer:
B. 
Step-by-step explanation:
Option B is the correct answer
Answer:
1. while I was doing the dishes, the parrot sang along with the radio.
2. dangling
Step-by-step explanation:
In the first question, the original question make it seem like the parrot was doing the dishes. In the second question, a dangling modifier is usually found at the beginning of sentences.
1) the vertex of a parable is given for two points, ( -b/2a, -b2-4ac/4a)
2) Now substitute the values in the equation
x = - (-8)/2(-2) = 8/ -4 = -2
y = -(8^2-4(-2)(1)/ 4(-2) = -(64-8) /-8 = 56/8 = 7
v(-2,7)
Answer:
5
Step-by-step explanation: