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