Mathematics, 22.05.2020 06:01, saigeshort

The approximate height, h, in meters, traveled by golf balls hit with two different clubs over a horizontal distance of d meters is given by the following functions:
seven-iron: h=-0.002d^2 + 0.3d
nine-iron: h= -0.004d^2 + 0.5d

a) at what distances is the ball at the same height when either of the clubs used?
b) what is this height?

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The approximate height, h, in meters, traveled by golf balls hit with two different clubs over a hor...