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Module #3
Function Notation & Graphing
Question | Answer |
---|---|
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. |