End of Year Practice 3.0 (4.12)

Which statement is best supported by this graph?

• The zero of the function is 4.

• The y-int is (2,0)

• The x-int is -4.

Given the following table, what is the rate of change of degrees Fahrenheit with respect to time in hours?

• Temp is dropping 5 degrees per hour

• Temp is rising 3 degrees per hour

• Temp is rising 5 degrees every hour

• Temp is falling 3 degrees every hour

• m=7

• m=5

• m=-5

• m=-7

A sample of a substance with an initial mass of 867 grams is decaying at a rate of 18% per hour.

Create a function that can be used to find y, the mass of the substance in grams remaining after x hours.

y=​ ​ ​ (a)   ​ (b)  

• F

• G

• H

• J

• 
• 
• 
• 

• 24

• 8

• -24

The table represents some points on the graph of a linear function.

Which function represents this table?