Solve the equation.Let f(x) = 
. Find all x for which f(x) = 7.
A. 
B. ?
C. 
D. 
Answer: C
Mathematics
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Find the value of df-1/dx at x = f(a).f(x) = x2 - 4x + 1; a = 3
A. 
B. 
C. 
D. 2
Mathematics
Name the place held by the specified digit in the given number.2 in the number 247,189
A. hundred thousands B. thousands C. hundreds D. ten thousands
Mathematics
Write out the first five terms of the sequence for n = 1, 2, 3, 4, and 5.an = 
A. 
, 
, 
, 
, 
B. - 
, - 
, - 
, - 
, - 
C. 
, - 
, 
, - 
, 
D. 
, - 
, - 
, - 
, - 
Mathematics
Add and simplify. Write the answer as a mixed number as needed.
ft + 3
ft + 2
ft
A. 8
ft
B. 7
ft
C. 7
ft
D. 7
ft
Mathematics