Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.

A. 20
B. 124
C. 12
D. 170


Answer: B

Mathematics

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Find the derivative of y with respect to x.y = 2 sin-1 (4x3)

A.
B.
C.
D.

Mathematics

Provide an appropriate response.Explain in your own words what it means for a system of two equations in two variables to be dependent.

What will be an ideal response?

Mathematics

Find C and a so that f(x) = Cax satisfies the given conditions.f(-1) =  and f(1) = 7

A. C = , a = 1
B. C = 1, a = 7
C. C = 1, a = 
D. C = 7, a = 1

Mathematics

Find the indicated term.a = 3, r = -3 ; 5th term

A. 81 B. 243 C. -729 D. 2187

Mathematics