Simplify.
A. -4
B. -12
C. 12
D. 4
Answer: B
Mathematics
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Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Mathematics
Solve the problem.A certain noise has an intensity I of 
. Given that decibel level D is related to intensity by 
, where I0 is 10-12, determine the decibel level of the noise. Round to the nearest decibel.
A. 85 decibels B. 8 decibels C. 195 decibels D. 75 decibels
Mathematics
Factor the trinomial completely, or state that the trinomial is prime.9x2 + 11x - 14
A. (x + 2)(9x - 7) B. (x - 7)(9x + 2) C. prime D. (x - 2)(9x + 7)
Mathematics
Solve the inequality graphically. Express the solution in set-builder notation.
< - 
A. {
x < - 
}
B. {
x > 
}
C. {
x > 
}
D. {
x > - 
}
Mathematics