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Module #3

Function Notation & Graphing

QuestionAnswer
Write the corresponding ordered pair if f(1)=8. The ordered pair is (1,8)
Write the corresponding ordered pair if g(-2)=7 The ordered pair is (-2,7)
Find the square root of 81. The square root is 9.
Find the square root of -4 The answer is not a real number.
Find the following root of 25 over 81. 5 over 9.
Th function V(x)=x^3 may be used to find the volume of a cube with side length x. Find the volume of a cube whose side is 16 centimeters. The volume is 4096 cubic centimeters.
What is the ordered pair of the following function: f(x)=x^2+2. (Hint:you must graph the function using a calculator). The ordered pair is (0,1)
What is the ordered pair of the following function: f(x)=(square root of x+1)+4 The ordered pair is (0,5)
By graphing the function g(x)=(x-1)^2-4. What kind of graph do you get and what direction is the graph pointing in. The graph is a parabola pointing upwards.
By graphing the function g(x)=-(x+2)^2. What kind of graph do you get and what direction is the graph pointing in. Give and ordered pair. The graph is a parabola pointing downwards. Ordered pair: (-2,0)
The dosage in milligrams D of a heartworm preventive for a dog who weighs x pounds is given by D(x)=136/25x. Find the dosage for a dog that weighs 27 pounds. The dosage is 146.88 milligrams.
Created by: Destinee1318