FIND THE VERTEX OF THE FOLLOWING FUNCTION THE VERTEX OF THE EQUATION AX2 +BX +C IS CALCULATED BY THE FORMULA VX = -B/2A AND VY = F(-B/2A)

F(X) = X2 + 2X +2

F(X) = X2 -3X +4

F(X) = 2X2 + 2X -2

F(X) = X2 + 3X -4

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Write the rational number in lowest terms 99/-15

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