Function Notation

Question 1

What is true of the function g(x) = –2x2 + 5?

Revolt · Accepted Answer

C: The variable x represents the independent variable.

Question 2

The ordered pair given in the first row in the table can be written using function notation as .

Revolt · Accepted Answer

C: f(–2) = 1

Question 3

Andrea conducts a science experiment and observes that the height of a plant depends on the amount of sunlight it receives. The plant’s height is 37 centimeters, and it grows at a rate of 0.004 centimeter per hour of sunlight. If the number of hours of sunlight is represented by the variable s, which function can represent the height of the plant?

Revolt · Accepted Answer

C: f(s) = 0.004s + 37

Question 4

What does t represent?

Revolt · Accepted Answer

B: the number of years since 2008

Question 5

f(x) = –2 when x is .

Revolt · Accepted Answer

C: 4

Question 6

What is the domain for this function?

Revolt · Accepted Answer

B: t values greater than or equal to 0

Question 7

Which range values would not make sense for this function?

Revolt · Accepted Answer

A: negative values

Question 8

Would the graph be continuous or discrete, and why?

Revolt · Accepted Answer

C: discrete, because number of bobcats cannot be broken into fractional parts

Function Notation Answers

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