exam Maths Puzzle Numerical Ability

Bob made an investment- some at 6% and three times as much at 10%. If his total annual investment income was 5400 dollars, how much did he invest at each rate?

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exam Other Question

Find the horizontal and vertical asymptotes of the following. Type �none� if the function does not have an asymptote.

g(x) = (5x) / (x-1)

Answer: Horizontal: solve and graph

4x-6 less than or equal to -6 and 4x-6 greater than or equal to 10.

I have been trying to solve this problem for the longest and I don't understand how to do