If f(1) = 160 and f(n+1)=-2f(n), what is f(4)? someone explain how to do this

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

Which of the following represents the range of the graph of f(x) below

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?