Find y".y = 5 sin(2x + 8)
A. -20 sin(2x + 8)
B. -20 cos(2x + 8)
C. -10 sin(2x + 8)
D. 10 cos(2x + 8)
Answer: A
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Solve the indicated equation analytically.A coil of wire rotating in a magnetic field induces a voltage given by 
where t is time in seconds. Find the smallest positive time to produce a voltage of 10
.
A. 2.8 s B. 2.8? s C. 3 s D. 3? s
Solve the problem.The population of rabbits varies with the season due to migration, birth and death. The number, N, of rabbits during month x on a certain midwestern farm can be estimated with the following graph.
1=January, 2=February, and so on. What month has the least number of rabbits?
A. January B. February C. December D. March
Simplify.If P(x) = -4x2 - 3x + 7 and Q(x) = -6x2 + 8, find 5[P(x)] + Q(x).
A. -26x2 - 15x + 43 B. -26x2 - 15x - 43 C. 26x2 - 15x + 43 D. -26x2 + 15x + 43
Multiply or divide and write scientific notation for the result.
A. 6.2 × 10-11 B. 3.1 × 10-5 C. 3.1 × 10-11 D. 6.2 × 10-5