Which function is increasing?
a. f(x) = (0.4)^x
b. f(x) = (1/4)^x
c. f(x) = (1/2)^x
d. f(x) = 4^x

What is the greatest common factor of 6a, 8a^{2}, and 14?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Rounded to the nearest tenth, what is the value of x