Find the inverse of the function.f(x) = 2x + 3
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
- 3
D. Not a one-to-one function
Answer: B
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Solve the problem.The first period of a half-wave rectified current, I(t), is given by
Find ao and as many nonzero cosine and sine terms as possible, up to two of each, of the Fourier series for this waveform.
A. I(t) = 
- 
- 
sin t
B. I(t) = 
- 
- 
C. I(t) = 
- 
- 
D. I(t) = 
- 
- 
Solve the problem.A college campus consists of eight buildings, each represented by a vertex on the graph below. The Board of Trustees is considering a plan to create a high-speed fiber optic network linking all the buildings. On the figure below, planning engineers have indicated the cost of various runs of cable in thousands of dollars. Use Kruskal's algorithm to design a network layout that will connect all the buildings at minimum cost. Also, compute the cost of your proposed layout.
What will be an ideal response?
Write out the first five terms of the sequence.an = n2 - n
A. 2, 6, 12, 20, 30 B. 0, 3, 8, 15, 24 C. 0, 2, 6, 12, 20 D. 1, 4, 9, 16, 25
Perform the indicated operation.(-8x)3
A. -24x3 B. 512x3 C. -512x3 D. 24x3