Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 8x
A. (4, 16); x = 4
B. (-4, -16); x = -4
C. (-16, 4); x = -16
D. (16, -4); x = 16
Answer: A
Mathematics
You might also like to view...
Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (5, 0) and (-5, 0)
B. foci at (
, 0) and (-
, 0)
C. foci at (0, 
) and (0, -
)
D. foci at (4, 0) and (-4, 0)
Mathematics
Write in expanded notation.32,308,003
A. 32,000,000 + 308,000 + 3 B. 30,000,000 + 2,000,000 + 300,000 + 8000 + 3 C. 30,000,000 + 2,000,000 + 300,000 +800 + 3 D. 30,000,000 + 200,000 + 30,000 + 8000 + 3
Mathematics
Solve the problem.Suppose that the cost C of removing p% of the contaminants from the site of a small chemical spill is given byC(p) = 
.Find 
C(p).
A. $4000 B. $40 C. As p approaches 100, C(p) increases without bound. D. $800
Mathematics
Solve the equation.(x + 3)2 = 15
A. 12
B. -3 - 
, -3 + 
C. 3 - 
, 3 + 
D. - 
, 
Mathematics