The height h(t) , in feet, of a snowboarder t seconds after beginning a certain jump can be approximated by h(t) = -16t^2 +22.9t + 9. If the snowboarder lands at a point that is 4 feet below the base of the jump, determine the airtime (the time the snow boarder is in the air) for this jump. Round to the nearest tenth of a second.

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step-by-step explanation:

equals the constant of proportionality.

solve for

hi there

the slope is 1/3.

this is because from the y-intercept, you go up one, and you go to the right three, to get to the next exact point on the graph. this is known at the “rise over run.”

p.s. (if you need it).your y-intercept is -2, because that is the point on the graph where the line crosses the y-axis.

hope that : )

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