Test_-_exponential_and_quadratic_functions_2017.pdf - ZOE...

Name: _____________________________________ Date: _________________
Algebra 1 ² Test #1 Dr. Sichel
Grade (out of 38): _______
1) Which function has no x -intercepts? Justify your answer.
(2 pts)
ZOE
May
3,2017
2) Which function represents exponential decay? Write a sentence to justify your answer.
(2 pts)
Correct
3) Which value is not in the range of the function
² ³
6 9 f x x ± ±
? Write a sentence to
justify your answer.
(2 pts)
correct
4) The breakdown of a sample of chemical compound is represented by the function
² ³ ² ³
300 0.5
t
p t
where
² ³
p t
represents the number of milligrams of the substance and
represents the time, in years. In the function
² ³
p t
, explain what 0.5 and 300 represent.
t
(2 pts)