Will mark !
for the data in the table, does y vary directly with x? if it does, write an equation for the direct variation.
x y
2 5
6 15
18 45
1. yes, y=0.4x
2. yes, y=10x
3. yes, y=2.5x
4. no, y does not vary directly with x

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.