Each day, an investor deposits twice as much into the bank as she did the day before. Her initial investment is $3. Using the elements 1, 2, 3, 6, 9, and x, write an exponential equation to model her daily deposit, y, on day x. Write the complete equation in the space provided on your answer document,​

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?