Find the reciprocal.

A.
B. -15
C.
D.

Answer: C

Mathematics

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Find an equation of the tangent line at x = a.y = ; a = 5

A. y = 5x - 25 B. y = 5x + 12.5 C. y = 5x - 12.5 D. y = 10x - 12.5

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Mathematics

Find the equation in slope-intercept form of the line satisfying the conditions.Slope - ; b = 4

A. y = x + 4
B. y = - x - 4
C. y = - x + 4
D. y = x - 4

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Mathematics

Find area of figure. Round to the nearest hundredth if necessary.

A. 25 cm2
B. 11 cm2
C. 22 cm2
D. 30 cm2

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Mathematics

Find the center, transverse axis, vertices, foci, and the equations of the asymptotes of the hyperbola. -  = 1

A. center: (0, 0)
transverse axis: x = 0
vertices: (0, -9) and (0, 9)  
foci: (-, 0) and (, 0)
asymptotes: y = - x and y = x
B. center: (0, 0)
transverse axis: y = 0
vertices: (-2, 0) and (2, 0)  
foci: (-, 0) and (, 0)
asymptotes: y = - x and y = x
C. center:(0, 0)
transverse axis: y = 0
vertices: (-9, 0) and (9, 0)  
foci: (-, 0) and (, 0)
asymptotes: y = - x and y = x
D. center: (0, 0)
transverse axis: y = 0
vertices: (-9, 0) and (9, 0)  
foci: (-2, 0) and (2, 0)
asymptotes: y = - x and y = x

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Mathematics