For which positive integers k is the series convergent?


a. k?5

Mathematics

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Solve.The monthly cost of a certain long distance service is given by the linear function  where C(t) is in dollars and t is the amount of time in minutes called in a month. Find the cost of calling long distance for 120 minutes in a month.

A. $18.55 B. $20.95 C. $9.60 D. $17.55

Mathematics

Factor a negative number or a GCF with a negative coefficient from the polynomial.-27y3  + 12y

A. -3(9y3 + 4y) B. -3y(9y2 - 4) C. -3y(9y2 + 4) D. -3y2(9y - 4)

Mathematics

Graph the rational function.f(x) =  

A.

B.

C.

D.

Mathematics

Determine if the given value of the variable is a solution to the equation.x(2x + 7) = 60; 4

A. not a solution B. solution

Mathematics