Suppose that a radioactive substance decays at a rate of 3.5% every hour. What percentage of it is left after 6 hours?

Evaluate the function below from x = 1 up to x = 3.

All associated angles are in radians.

Evaluate the function below from x = 1 up to x = 4.

Evaluate the trigonometric function below from x = 2 up to x = 3.

The associated angles are in radians.

A light is hung 15 ft above a straight horizontal path. If a man 6 feet tall is walking away from the light at the rate of 5 ft/s, how fast is his shadow lengthening?

Evaluate the polynomial function below from x = 2 up to x = 3.

Evaluate the polynomial function below from r = 2 up to r = 3.

What is the definite integral of:

What is the definite integral of:

Find the area underneath the curve. Write your answer corresponds to the problem below. Express your answer into 2 decimal places.