Casio FX-CG500 Quick Start Manual page 11

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Both solutions are shown; the first solution would be
negative and is not in the domain.
10. If a model for the height of a ball, thrown
upwards, as a function of time, is given by
h = -16t + vt + c, compute an expression for
2
velocity as a function of time.
k
Press and tap
9 ].
E
Enter the expression and the variable and tap ,
E
or press the key.
fx-CG500 Quick Start Guide 11