21. What value of c would make x2 + 60x +c a perfect square? a. 900 b. 30 C. 250 d. 15

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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21. What value of c would make x2 + 60x +c a perfect square?
а. 900
b. 30
С. 250
d. 15
Transcribed Image Text:21. What value of c would make x2 + 60x +c a perfect square? а. 900 b. 30 С. 250 d. 15
23. List the sequence of steps required to graph the function f (x) = -(x – 4)² – 6
a. horizontal translation 4 units to the right, vertical compression by a factor of 1, vertical translation 6 units
down
b. horizontal translation 4 units to the right, reflection in x-axis, vertical translation 6 units down
c. horizontal translation 4 units to the left, vertical translation 6 units up, reflection in x-axis
d. horizontal translation 4 units to the left, reflection in x-axis, vertical translation 6 units down
Transcribed Image Text:23. List the sequence of steps required to graph the function f (x) = -(x – 4)² – 6 a. horizontal translation 4 units to the right, vertical compression by a factor of 1, vertical translation 6 units down b. horizontal translation 4 units to the right, reflection in x-axis, vertical translation 6 units down c. horizontal translation 4 units to the left, vertical translation 6 units up, reflection in x-axis d. horizontal translation 4 units to the left, reflection in x-axis, vertical translation 6 units down
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