Answer:
Betty will get 85 grade.
Step-by-step explanation:
Betty scored 75,90,88,72, and 86 on her tests.
As given the teacher throws out the lowest grade, we will not consider 72.
Now the teacher averages the remaining grades, and round up to the nearest integer.
So, taking the average we get;
= 84.75
Rounding this to nearest integer, we get 85.
Hence, Betty will get 85 grade.
ANSWER
EXPLANATION
Since the parabola has the (0, 0) and the directrix at y=2.
The equation is of the form
where (h,k) is the vertex.
The vertex is half way between the directrix and the focus.
The vertex will be at (0,1)
and is the distance from the vertex to the focus which is 1.
Answer:
Option D
Step-by-step explanation:
Given f(x) =
g(x) = 2x + 3
Since,
This function is defined for the denominator is not equal to zero.
(2x + 3) ≠ 0
x ≠
Therefore, Option D will be the correct option.