Solve the following.Find all points of the graph of f(x) = 2x2 + 6x whose tangent lines are parallel to the line y - 22x = 0.
A. (6, 108)
B. (7, 140)
C. (4, 56)
D. (5, 80)
Answer: C
Mathematics
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The following table shows the height H, in centimeters, of a certain type of flower when it is t weeks old.
?
258101315
6.1119.7638.5541.541.3242.93?
Based on the table, what do you expect is the limiting value of H?
What will be an ideal response?
Mathematics
Find the sum.34 + 21 + 21
A. 76 B. 67 C. 58 D. 94
Mathematics
Solve.
= 
A. 
B. - 
C. ?
D. 
Mathematics
In electrical circuits, the impedance Z (or opposition to the flow of electricity), voltage V, and current I can all be represented by complex numbers. They are related by the equation Z = 
. Use this equation to find the value of the missing variable.V = 76 - 32i, I = 8 + 4i
A. Z = 
- 17i
B. Z = 6 - 7i
C. Z = 6 + 7i
D. Z = 
+ 17i
Mathematics