Determine whether the infinite geometric series has a limit. If a limit exists, find it.3 + 0.3 + 0.03 + . . .
A. 
B. 
C. 
D. No limit
Answer: C
Mathematics
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Solve the given differential equation. (The form of yp is given.)D2y - y = x2 + 2 (Let yp = Ax2 + Bx + C.)
A. c1ex + c2e-x - x2 + 4 B. c1ex + c2e-x + x2 - 4 C. c1ex + c2xe-x - x2 - 4 D. c1ex + c2e-x - x2 - 4
Mathematics
Verify that each equation is an identity.cot(2?)= 
What will be an ideal response?
Mathematics
Write the rate as a unit rate.903 people in 30 buses
A. 0.033 person/bus B. 873 people/bus C. 301 people/bus D. 30.1 people/bus
Mathematics
Perform the operations.82 + 43
A. 128 B. 76 C. 28 D. 80
Mathematics