Teacher/User Name: DEMO |
Name:__________________________ |

Practice Problems | Period: ________ Date: ____________ |

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1) | The perimeter of a rectangle is 21 cm. This means the area of the rectangle can be given with the formula Find the maximum area of the box. |
2) | An object thrown straight up has a height given by: s = -16t^{2} + v_{o}t + s_{o}. Where s = the height at time t seconds, v_{o} is the velocity, and s_{o} is the initial height of the object. Suppose an object is thrown upwards from the top of a tower 40 feet high with an initial velocity of 70 ft/sec.Find the maximum height of the object. |

3) | An open box is to be made from a square piece of cardboard 11 cm on each side by cutting equal squares with sides of length x from the corners and turning up the sides. The volume of the box is given by the function: ^{2}. |
4) | An object thrown straight up has a height given by: s = -16t^{2} + v_{o}t + s_{o}. Where s = the height at time t seconds, v_{o} is the velocity, and s_{o} is the initial height of the object. Suppose an object is thrown upwards from the top of a tower 220 feet high with an initial velocity of 100 ft/sec.Find the number of seconds until the object hits it's maximum height. |

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