What is the inverse of the function f(x) = 4x + 8?
h(x) =
-2

h(x) = 2 x + 2
hx) = -2

The square root of 9x plus 7 plus the square rot of 2x equall to 7

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

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.