Writing the system of equations as a matrix equation solve the system of equations by using the inverse of the coefficient matrix
Mathematics
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Find the length of the curve.x = 
+ 
from y = 1 to y = 3
A. 
B. 
C. 
D. 
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the function.f(x) = x2 + 2
A. {x|x > -2}, or (-2, ?) B. {x|x ? -2}, or [-2, ?) C. {x|x ? -2}, or (-?, -2) ? (-2, ?) D. all real numbers, or (-?, ?)
Mathematics
Find an equation for the graph.
A. y = -5 sin (2x)
B. y = -5 cos (2x)
C. y = -5 cos 
D. y = -5 sin 
Mathematics