Find the measure of the angle.
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A. 140°
B. 145°
C. 155°
D. 135°
Answer: B
Mathematics
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Use integration by parts to establish a reduction formula for the integral.
A. 
= - 2xn-1 e- x2 - 2(n - 1) 
B. 
= n xn-1 e- x2 + 2n 
C. 
= - 
xn e- x2 + 
D. 
= - 
xn-1 e- x2 + 
Mathematics
Use the graphs to evaluate the expression.(f + g)(-4)y = f(x)y = g(x)
A. 3
B. -5
C. - 
D. -4
Mathematics
Use the graph to obtain the graph of the reciprocal function. Give the equation of the function for the graph that you obtain.y = 
sin 
x
A. y = 
csc 2x
B. y = 
csc 
x
C. y = 
sec 
x
D. y = 
sec 2x
Mathematics
Substitute the given values into the formula and solve for the unknown variable.I = prt; I = 76, p = 190, r = 0.08
A. 0.5 B. 1155.2 C. 5 D. 11.552
Mathematics