Solve the problem. Round money amounts to the nearest cent.Kristin switched from drinking 5 cups of drip coffee per day to drinking 3 cups of decaffeinated coffee per day. How many fewer grams of caffeine is she consuming each week? Assume that a cup of drip coffee contains 97 mg of caffeine and a cup of decaffeinated coffee contains 4 mg of caffeine.
A. 3.311 g
B. 4.73 g
C. 33.11 g
D. 0.473 g
Answer: A
Mathematics
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Evaluate the integral.
A. 3125 B. 25 C. 125 D. 625
Mathematics
Determine the domain and the range of the function.f(x) = x2 + 4x
A. domain: all real numbers range: {y|y ? 4} B. domain: all real numbers range: {y|y ? -4} C. domain: {x|x ? 2} range: {y|y ? 4} D. domain: {x|x ? -2} range: {y|y ? -4}
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Calculate (a) the trapezoidal approximation and (b) Simpson's approximation to 
where f is the tabulated function. 
Enter your answers in that order as just unlabeled real numbers rounded off to two decimal places, separated by a comma.
Fill in the blank(s) with the appropriate word(s).
Mathematics