Linear, Quadratic & Exponential

This is a _______________ function.

• Linear

• Exponential

• Quadratic

This function is ___________.

• Increasing

• Decreasing

This function is ___________.

• Increasing

• Decreasing

This function is ________.

• Increasing

• Decreasing

This function is ___________.

• Increasing

• Decreasing

This function is ___________.

• Increasing

• Decreasing

This function is ____________.

• Increasing

• Decreasing

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12

• y = 12x + 1.5

• y = 0.67x - 8

• y = -8x + 0.67

Above is a table that represents the distance in miles vs. the cost of a plane ticket. What does the slope mean in the regression equation y=0.136x+74?

• A plane ride costs $0.136 (13 cents)

• For every 1 mile flown, the cost goes up  $ 0.136 dollars (13 cents)

• For every 1 mile flown, the cost goes up $74

If x is temperature and y is coffee sales, use the following formula to determine the coffee sales on a 34° day.

y = -60x+6443

• $4403

• $4673

• $8483

• $6443