exam Maths Puzzle Numerical Ability

A sales rep for a company estimates that her automobile gasoline consumption averages 28 mpg on highway and 22 mpg in the city. A recent trip covered 627 miles and 24 gallons of ga

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– 5[1 – 7] ÷ (-6) + 1
im not sure how to solve this i did it on a scientific cal. and i got -4 and i had a friend do it and she got 5 and 4 6ths. i when i do it and work it out i get 2 so any help would be appreciated. I am lost please help. thanks


1. graph f(x) = log2x + 3



2. graph f(x) = log2(x - 6)