Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = x2 + 3
A. vertex (0, 3)
axis of symmetry: x = 0
B. vertex (0, -3)
axis of symmetry: x = 0
C. vertex (3, 0)
axis of symmetry: x = 3
D. vertex (-3, 0)
axis of symmetry: x = -3
Answer: A
You might also like to view...
Provide an appropriate response.A marathoner ran the 26.2 mile New York City Marathon in 2.5 hrs. Did the runner ever exceed a speed of 9 miles per hour?
What will be an ideal response?
Use the fact that 
f(x) = 
f 
to find the limit.
n
A. e1/2 B. e-1/2 C. e-2 D. e2
Find the product.(4x2 - 4x + 2)(x - 5)
A. 4x3 + 24x2 + 22x - 10 B. 4x3 - 24x2 + 22x - 10 C. 4x3 - 24x2 + 22x + 10 D. 4x3 - 80x2 + 40x - 10
A plane flying at an altitude of a miles above a radar antenna will pass directly over the radar antenna (see figure). Letd be the ground distance from the antenna to the point directly under the plane and let x be the angle of elevation to the plane from the antenna. 
.
?
(d is positive as the plane approaches the antenna.)
Write d as a function of x.
?
A. d=8 csc x
B. d = 8 cot x
C. d = 8 cos x
D. d = 8 tan x
E. d = 8 sin x