exam Maths Puzzle Numerical Ability

Two airplanes depart from an airport traveling opposite directions. The second airplane is 200 miles per hour faster than the first. After 2 hours they are 1100 miles apart. Find the speeds of the airplanes.

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exam Other Question

Solve by using the quadratic formula. 5x^2+5x=3

a. -5+-square root 85 over 10

b. -5+-square root 85 over 5

c. -5+-square root 40 over 5

d. -5+-square root 40 over 10 g(x)=(2x^2-2)/(x^2+3x)

How do I find... Domain for g? Vertical asymptote of g, horizontal asymptote, x and y intercept. THanks for help in advance!