15. Calculator Challenge Locate the button e on your scientific calculator. e is called the natural num will be used in the Exponential and Logarithmic Functions chapter.
a. Press the e button. What is e equivalent to?
b. What type of real number do you think e is?
c. Which number is larger? e or it?
d. Which number is larger? e or V7?

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.