Add the rational expressions and simplify: 
a.
b.
c.
d.
c.
Mathematics
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Provide an appropriate response.Write an equation of the tangent line to the graph of y = at the point where x = 1.
A. y = 4x + 2 B. y = -2x + 8 C. y = -4 D. y = -4x + 10
Mathematics
Find the exact value of the expression.
A.
B.
C. -
D. -
Mathematics
Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(4, 270°)
A. (-4, 0) B. (0, -4) C. (0, 4) D. (4, 0)
Mathematics
Solve the formula for the indicated variable. +
= c for b
A. b =
B. b = ac -
C. b =
D. b = - a
Mathematics