Graph the parabola and label the vertex. Find the y-intercept.y = -4
2 + 8
A. vertex (- 
, 8), y-intercept (0, 113)
B. vertex (- 
, - 8), y-intercept (0, -113)
C. vertex (
, 8), y-intercept (0, -113)
D. vertex (- 
, 8), y-intercept (0, -113)
Answer: D
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For the given position function, make a table of average velocities and make a conjecture about the instantaneous velocity at the indicated time. s(t) = t2 - 5 at t = 0
A. 
; instantaneous velocity is ?
B. 
; instantaneous velocity is -3.0
C. 
; instantaneous velocity is -15.0
D. 
; instantaneous velocity is -5.0
Decide whether the relation is a function.?
A. Function B. Not a function
Graph the equation by determining the missing values needed to plot the ordered pairs.y - x = 2; (2, ), ( , 8), (4, )
A. 
B. 
C. 
D. 
Without graphing the function, determine its amplitude or period as requested.y = 
cos (- 
x)Find the amplitude.
A. 
B. 
C. 
D. 