Express the sum in sigma notation.
+ 
+ 
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Mathematics
Multiply.(3x3 + 7)(3x3 - 7)
A. 9x2 + 42x - 49 B. 9x6 - 42x - 49 C. 9x6 - 49 D. 9x3 - 49
Mathematics
Solve the equation.
= 4
A. ? B. {6, -6} C. {5, -5} D. {5}
Mathematics
Solve the problem.A baking pan measures 9 inches long, 5 inches wide, and 2 inches deep. What is the volume of the pan?
A. 90 in.3 B. 16 in.3 C. 45 in.3 D. 28 in.3
Mathematics