Perform the matrix row operation and write the new matrix.
R1
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the value of d2y/dx2 at the point defined by the given value of t.x = tan t, y = 7 sec t, t = 
A. - 
B. 7
C. 
D. - 
Mathematics
Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = 
, g(x) = 
A. (-?, -3) ? (-3, -1) ? (-1, 0) ? (0, ?) B. (-?, -1) ? (-1, 0) ? (0, ?) C. (-?, ?) D. (-?, -3) ? (-3, 0) ? (0, ?)
Mathematics
Solve the problem.The length of the base of an isosceles triangle is 33.28 meters. Each base angle is 37.57°. Find the length of each of the two equal sides of the triangle. Round your answer to the hundredths place.
A. 21.63 m B. 27.29 m C. 20.99 m D. 41.99 m
Mathematics
Graph the equation.f(x) = - 
x2 + 2
A. 
B. 
C. 
D. 
Mathematics