Find d2y/dx2 without eliminating the parameter.x = 
- 3t, y = 
, t ? 3
A. 2t
B. 
C. 
D. 
Answer: B
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Fill in each blank with the appropriate response.The graph of y = - 
(x + 3)2 - 8 can be obtained from the graph of y = x2 by shifting horizontally 
units to the 
, vertically compressing by a factor of 
, reflecting across the 
-axis, and shifting
vertically 
units in the 
direction.
A. 3; right; 
; x; 8; upward
B. 3; left; 8; x; 
; downward
C. 3; left; 
; x; 8; downward
D. 3; right; 
; x; 8; downward
Find the product using the FOIL method.(z - 9)(z - 9)
A. 2z2 - 81 B. z2 - 18z + 81 C. z2 + 18z - 81 D. 2z + 81
Solve the problem.A person burns 7.1 calories per minute while walking. How many calories will be burned if the person walks for 5 hours?
A. 355 calories B. 35.5 calories C. 21,300 calories D. 2130 calories
Simplify.- 
A. - 
B. - 
C. 
D. 