Find the sum of the series by recognizing how it is related to something familiar.1 + 3x + 5x2 + 
x3 + . . .
A. 
B. e2x(1 - x)
C. 
D. 
Answer: D
Mathematics
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Find the indicated term of the geometric sequence.a5 when a1 = 4 and r = - 
.
A. 
B. - 
C. - 
D. 
Mathematics
Solve the initial value problem.y'(t) + 4y = 3, y(0) = 1
A. y = 
e-4t + 
B. y = 
e-4t + 
C. y = 
e4t + 
D. y = 
e4t + 
Mathematics
Provide an appropriate response.Rounding can be used to approximate a decimal number.
A. True B. False
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics