Write the explicit formula for the geometric sequence.
2,8, 32, 128,
A)
an = 2n-1
B) an = 2.61-1
C) an = 2 - 2n-1
D) an=2.40-1

What can you determine about the solutions of this system

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)