Which of the following is false about high-frequency trading (HFT), based on your reading? A Some high-frequency traders are using hollow-core fiber for faster communications.
B Exchanges are trying to slow down HFT to provide a level playing field for other traders.
C HFT results in narrower bid-ask spreads by market makers
D An HFT firm set up a fiber-optic cable in a straight line between Chicago and New York to obtain speed advantage over competitors.

2 over 5

step-by-step explanation:

the 2: 3 ratio is the length of the ac segment to the cb segment total length. this implies that the ratio between segment ac length and segment ab length is 2: 5. point c is 2/5 from a to b, so the required fraction is 2/5.

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.