Write a recursion formula for the sequence., 10, 100, 10,000, . . .

A. an = 10an-1a1 = 
B. an = a1 = 
C. an = (an-1)2a1 = 
D. an = a1 = 


Answer: C

Mathematics

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Solve the inequality. Give the solution set in both set-builder notation and graph form.8x - 5 < 19 and -2 - 3x > -17

A.  

B.

C.

D.

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Using Green's Theorem, calculate the area of the indicated region.The area bounded above by y = 8 and below by y = x2

A. 96 B. 0 C. 192 D. 48

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Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse.{(16, 10), (7, 15), (-1, -3)}

A. No inverse B. {(10, 16), (-1, 7), (-3, 15)} C. {(10, 16), (15, 7), (-3, -1)} D. {(16, 15), (16, 7), (-3, -1)}

Mathematics

Use the variable x for the unknown. Write an equation representing the verbal sentence and solve the problem.At a garage sale, the most expensive item was marked $22.00 more than the cheapest item. The sum of the two items was $25.70. Find the cost of the least expensive item.

A. x + 22.00 = 25.70; $3.70 B. 25.70 - x = 22.00; $3.70 C. x(x + 22.00) = 25.70; $1.85 D. x + (x + 22.00) = 25.70; $1.85

Mathematics