Quadratic Functions

A projectile is launched into the air from the ground. The table shows the height of the projectile, h(t), at different times.

Based on the table, which function can be best used to model this situation?

• All real numbers

Which graph best represents part of a quadratic function with a domain of all real numbers less than -4?

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The scatterplot and table show the weekly profit in dollars earned from the sale of pastries at seven different prices. The data can be modeled by a quadratic function.

Which function best models the data?

• x=3 and x=11

• x=-1 and x=15

Mathematical Equivalence

ON

• {-5, -1.5}

• {2.5, 3}

• {1.5, 5}

• {-3, -2.5}

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