Find the coordinates of the vertex and the direction of opening of each parabola.y = (x + 3)2 - 8
A. (3, 8) opens upward
B. (3, -8) opens downward
C. (-3, 8) opens downward
D. (-3, -8) opens upward
Answer: D
Mathematics
You might also like to view...
Find the value for the function.Find f(-2) when f(x) = 
.
A. - 10
B. 
C. - 4
D. 2
Mathematics
Answer the question.Which one of the equations below matches the graph?
A. y = 2 sin
B. y = -2 sin
C. y = 2 cos
D. y = 2 cos
Mathematics
Add.
-
y-
-
y+
+
y+
A. 6y2 - 3y + 6
B. 5y2 - 5y - 6
C. 5y2 - 3y + 5
D. 6y2 - 3y + 5
E. 6y2 - 5y + 5
Mathematics
Suppose the graph shows a manufacturer's total revenue, in thousands of dollars, from the sale of x cellular telephones to dealers. Is the marginal revenue greater at 800 cell phones or at 1000?
?
?
A. 800 B. 1000
Mathematics