Compare Linear, Exponential, and Quadratic Models

Put these functions in order from least to greatest based on their Y-INTERCEPT.

• B C A

• B A C

• C A B

• C B A

Which statement below is TRUE regarding the two functions?

• Both functions are linear

• Both functions are increasing

• Both functions have a y-intercept of 1

• Both functions are exponential growth

Is the equation linear, exponential, or quadratic?
y = 2x+ 4

• Linear
• Exponential
• Quadratic
• None of the above

Is the graph linear, exponential or neither?

• Linear
• Exponential 
• Neither

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

Is the table linear, exponential or neither?

• Linear
• Exponential
• Neither

Is this table linear, quadratic, exponential, or none of the above?

• linear
• quadratic
• exponential
• none of the above

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

What type of function is f(x) = 2(x+4)²-7?

• exponential decay
• linear
• exponential growth
• quadratic

What type of function best models the situation: A zombie virus has infected the population and the number of infected people triples every day.

• linear
• quadratic
• exponential growth
• exponential decay