Solve the rational equation.
+ 4 = 
A. {-17}
B. {-2}
C. {2}
D. ?
Answer: B
Mathematics
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Find the slope of the line tangent tangent to the graph a the given point. y= x2 + 5x, x = -4
A. m = 1 B. m = -4 C. m = -3 D. m = -8
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Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex: (4, 5) passing through: (7, 23)
A. y = 7x2 - 16x + 37 B. y = -2x2 - 16x + 5 C. y = 2x2 - 16x + 37 D. y = 2x2 - 4x + 5
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Use a calculator to find the value of y in degrees rounded to two decimal places.y = cos-1 (-0.7486)
A. 36.82° B. 138.47° C. 48.47° D. -48.47°
Mathematics
Find an equation for the ellipse described.Foci at (-5, -2) and (1, -2); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics