Which function is an example of exponential decay?
a.) y = 0.3(2)x
b.) y = 4(8)x
c.) y = 5(0.6)x
d.) y = 1.4(3)x

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)