Find the quadratic approximation of f at x = 0.f(x) = sin ln(7x + 1)
A. Q(x) = 7x - 
x2
B. Q(x) = 1 + 7x + 
x2
C. Q(x) = 7x + 
x2
D. Q(x) = 1 - 7x + 
x2
Answer: A
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Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How tall is the skyscraper?2 feet
A. Unreasonable, should be 200 feet B. Unreasonable, should be 0.20 feet C. Reasonable D. Unreasonable, should be 20 feet
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = -2(x - 2)4 + 4 
A. 
B. 
C. 
D. 
Solve the problem.Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB and interpret the significance of the entries of this product.
A.
AB = 
Tuition for Student 1 is $1164 and tuition for Student 2 is $885.
B.
AB = 
Tuition for Student 2 is $1158 and tuition for Student 1 is $872.
C.
AB = 
Tuition for Student 1 is $1158 and tuition for Student 2 is $872.
D.
AB = 
Tuition for Student 2 is $1164 and tuition for Student 1 is $885.
Solve.
- 
= 
A. 
B. 
C. - 
D. - 