Find the common ratio of the give sequence, and write an exponential function which represents the sequence. Use n=1, 2, 3, ...

A) 3; f (n) = 81^n-1

B) 3; f (n) = 81 (3) ^n-1

C) 1/3; f (n) = 81 (3) ^n-1

D) 1/3; f (n) = 81 (1/3) ^n-1

Juliea puts 1+1 equals 11 is this true or false?

F (x) = 4x^2+2x+6 what is the value of the discriminant of f?

F (x) = 5-x. g (x) = x^2-25 (f+g) (x)

Which is the equation of a hyperbola with directrices at x = ±2 and foci at (5, 0) and (-5, 0) ? y squared over 40 minus x squared over 10 equals 1 y squared over 10 minus x squared over 15 equals 1 x squared over 10 minus y squared over 40 equals 1

4 square feet is equivalent to how many square yards?

Among all pairs of numbers whose sum is 16 , find a pair whose product is as large as possible. what is the maximum product

This week beth made 10 more then twice the number of cookies she made last week, x. Which expression represents the total numbwr of cookies beth made this week

Mrs. Zamir wants to buy 8 protractors and some erasers for her classroom. She has $30.00. If protractors cost $2.65 each, how much will Mrs. Zamir have left to buy eraser?

5x - (14 - x) = - 30 - 2x

Which expression correctly represents the product 12 (8 + 5) after applying the distributive property? A. (12 * 14) B. (12 * 8) + 5 C. 8 + (12 * 5) D. (12 * 8) + (12 * 5)