Add as indicated.(-7 + 4n6 - 3n3) + (5n6 - 6n3 + 9)
A. 9 - 9n6 + 2n3
B. 9n6 - 9n3 + 2
C. -2n6 - 2n3 + 6
D. 2n9
Answer: B
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Solve the problem.The formula A = -10(log 10 Pi - log 10 Po) gives the power gain (in dB) if Pi is the input and Po is the output. Write the expression on the right side as the logarithm of a single quantity.
A. log 10 (Pi/Po)10 B. log 10 (Pi- Po)-10 C. log 10 (PiPo)-10 D. log 10 (Pi/Po)-10
Solve.The function A = A0e-0.01155x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 300 pounds of the material are placed in the vault, how much time will need to pass for only 53 pounds to remain?
A. 300 yr B. 155 yr C. 150 yr D. 160 yr
Use synthetic division to perform the division.
?
?
A. ?
B. ?
C. ?
D. ?
E. none of these
Match the quadratic function to the correct graph.y = -(x + 3)2 + 4
A. 
B. 
C. 
D. 