Find the domain of the rational function.
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Provide an appropriate response.Find all points (x, y) on the graph of y = 
with tangent lines perpendicular to the line 
A. (0, 0), (14, 2) B. (0, 0), (7, 2) C. (14, 2) D. (0, 0)
Mathematics
Solve the problem.The decay of 502 mg of an isotope is given by 
where A(t) is the amount remaining t years after the initial measurement. Find the amount left after 43 years. (Round to the nearest milligram.)
A. 287 mg B. 283 mg C. 144 mg D. 496 mg
Mathematics
Find the sum Sn of the first n terms of the geometric sequence. 
, - 
, 
, - 
, 
, . . . .; n = 10
A. - 
B. - 
C. - 
D. - 
Mathematics
Use a common unit right triangle to find the value.sec 45°
A. 
B. 
C. 
D. 
Mathematics