Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a11 when a1 = -3, r = -3.
A. -33
B. -177,143
C. 531,441
D. -177,147
Answer: D
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Subtract.-26 - (-51)
A. -25 B. -77 C. 25 D. 77
Find the slope of the line tangent to the graph of the function at the given value of x.y = x4 + 2x3 - 2x + 2; x = -1
A. 0 B. -7 C. 2 D. -5
Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the acceleration for the specific value of t.x = 2t2 + 5, y = 3t2 - 2, t = 9
A. 64.9; 236.3° B. 7.21; 236.3° C. 64.9; 56.3° D. 7.21; 56.3°
Solve the problem.A wicker basket has a circular rim with a diameter of 8 inches. How many inches of ribbon are needed to go once around the rim? Use 3.14 for ?. Round your answer to the nearest tenth.
A. 25.1 in. B. 50.2 in. C. 23.1 in. D. 64 in.