The height h in feet of a projectile launched from the top of a 192-foot tall bridge is given by h(t) = 640 + 192 – 16t2, where t is time in seconds. What is the maximum height and how long will it
take the projectile to strike the ground?

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

step-by-step explanation:

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