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2. a tennis player hits a ball over the net. the equation h = -4.9t2 + 3.8t + 0.5 gives the ball’s height h in meters after t seconds. how high off the ground did the ball leave the racket?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g