Looking at the curve in the graph below, you can draw the following conclusions:
a. RD and rd are equal.
b. Vf has no effect on If.
c. If decreases as Vf increases.
d. The resistance decreases as Vf increases.
e. The resistance increases as Vf increases.
d. The resistance decreases as Vf increases.
Mathematics
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Evaluate the integral.
dt
A. 8 cos 
+ C
B. -cos 
+ C
C. - 
cos 
+ C
D. 
cos 
+ C
Mathematics
Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -1.5, 2.5, 3.5 B. -1.5, 3.5 C. -3.5, -2.5, 1.5 D. -3.5, 1.5
Mathematics
Write sigma notation.
+ +
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x2 + 6x
A. 6; x2 + 6x + 6 = (x + 36)2 B. 36; x2 + 6x + 36 = (x + 6)2 C. 9; x2 + 6x + 9 = (x + 3)2 D. 3; x2 + 6x + 3 = (x + 9)2
Mathematics