Solve the problem.Students in a math class took a final exam. They took equivalent forms of the exam in monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by 
Find S'(t).
A. S'(t) = 74 - 
B. S'(t) = - 16 ln (
)
C. S'(t) = - 
D. S'(t) = 
Answer: C
Mathematics
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Give an appropriate answer.Let
f(x) = -7 and
g(x) = 6. Find
[f(x) - g(x)].
A. -7 B. -8 C. -13 D. -1
Mathematics
Solve the following system of equations. Round your answers to two decimal places.
What will be an ideal response?
Mathematics
Multiply the rational expressions. Simplify, if necessary.- 
? 
A. - 
B. - 
C. - 
D. - 
Mathematics
Provide an appropriate response.Find the roots of the following equation: (3x - 2)(x + 4) = 0
Fill in the blank(s) with the appropriate word(s).
Mathematics