Q25. Which one of the following functions is an exponential decay function?

A
f(x) = 3^x - 8

B
f(x) = -2x + 4

C
f(x) = -x^2 - 5

D
f(x) = 2(0.25)^x + 1

Nright triangle xyz, the right angle is located at vertex y. the length of line segment xy is 12.4 cm. the length of line segment yz is 15.1 cm. which is the approximate measure of angle yzx?