Sketch the graph of each function. Describe the domain and range
Compare with image.
10
You deposit $675 in a savings account that earns 6% interest compounded monthly
a) Write a function that represents the balance after t years.
b) What is the balance after 3 years?
a) y=675(1+(.06/12))^12t
b) y= 807.76
20
You want to enlarge a sign. The original sign is 12 in wide. You can enlarge the sign by 20% at a time. a)Write a function that represents the width of the sign. b)How wide is the sign after 5 enlargements? c)You want it to be 1800. Find x.
a) 12(1.2)^x
b) 29.86 inches
c) 27.48
25
Determine whether the table represents exponential growth, exponential decay, or neither.
neither
5
Determine whether the table represents exponential growth, exponential decay, or neither.
exponential decay
5
State if the sequence is arithmetic, geometric, or neither. -3, 3, 9, 15, 21, ...
arithmetic.
10
State if the sequence is arithmetic, geometric, or neither -0.2, -1, -5, -25, -125, ...
geometric.
15
Find the equation for the nth term. -38, -33, -28, -23, ...
an=-38+(n-1)5
20
Find the equation for the nth term. -3, 18, -108, 648, ...