Math Problem Statement
Given the function f(x) = (x - 4)2 - 3
Check all that apply
this is an exponential function
there is a shift left 4 units
there is a shift right 4 units
there is a reflection across x-axis
there is a shift down 3 units
there is a shift up 3 units
the domain is (-inf,inf)
the range is (-inf,-3]
Solution
Given the function , let's analyze the characteristics:
-
This is an exponential function:
- Incorrect. The given function is a quadratic function (of the form ), not exponential. Quadratic functions have terms, while exponential functions involve expressions like .
-
There is a shift left 4 units:
- Incorrect. The term indicates a shift right 4 units (not left). Shifts to the right occur when subtracting a positive value from .
-
There is a shift right 4 units:
- Correct. The term means the graph of is shifted 4 units to the right.
-
There is a reflection across the x-axis:
- Incorrect. There is no negative sign in front of the squared term, so no reflection occurs across the x-axis.
-
There is a shift down 3 units:
- Correct. The at the end of the function shifts the graph 3 units downward.
-
There is a shift up 3 units:
- Incorrect. The function has a shift downward, not upward.
-
The domain is :
- Correct. Quadratic functions are defined for all real values of , so the domain is .
-
The range is :
- Incorrect. The parabola opens upwards, and its minimum value is at , so the range is , not .
Summary of correct answers:
- There is a shift right 4 units.
- There is a shift down 3 units.
- The domain is .
Would you like more details on any of these?
Here are 5 related questions to further explore these ideas:
- How can we determine the vertex of a quadratic function?
- What distinguishes a quadratic function from an exponential function?
- How do we find the axis of symmetry for a parabola?
- What are the effects of reflections in quadratic functions?
- How does a function's range change when its graph is shifted?
Tip: In any quadratic function, the vertex form gives immediate insight into its shifts and vertex location!
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Graph Transformations
Formulas
f(x) = (x - h)^2 + k
Theorems
Graph Transformations of Quadratic Functions
Suitable Grade Level
Grades 9-10
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