Solve for Point Corresponding to P=(-2,4) on g(x) Using f(x) and g(x)=2f(x-1)-3

  • Thread starter Thread starter Skydog287
  • Start date Start date
Click For Summary
SUMMARY

The discussion focuses on finding the corresponding point on the graph of g(x) given the point P=(-2,4) on the graph of f(x). It is established that since P is on f(x), f(-2) equals 4. The transformation defined by g(x) = 2f(x-1) - 3 indicates that g(x) scales the output of f(x) by a factor of 2 and shifts it down by 3 units. To find the corresponding point on g(x), one must evaluate g(-2) using the relationship between f and g.

PREREQUISITES
  • Understanding of function transformations, including scaling and shifting.
  • Knowledge of evaluating functions at specific points.
  • Familiarity with the notation and properties of functions f(x) and g(x).
  • Basic algebra skills for manipulating equations.
NEXT STEPS
  • Study function transformations, specifically scaling and vertical shifts.
  • Learn how to evaluate composite functions, particularly in the context of transformations.
  • Explore examples of finding corresponding points between transformed functions.
  • Practice problems involving the evaluation of functions at specific points.
USEFUL FOR

Students studying algebra, mathematics educators, and anyone interested in understanding function transformations and their applications in graphing.

Skydog287
Messages
1
Reaction score
0
How do i solve this? :confused: The question says: Given that the point P=(-2,4) is on the graph of y=f(x) and g(x)=2f(x-1)-3; find the point on the graph of g(x) corresponding to the point P.

Thanks in advance,
Sky
 
Physics news on Phys.org
Hint: Another way of saying that the point P (-2,4) is on the graph of y = f(x) is to say:

f(-2) = 4

g(x) scales and shifts the graph of f(x)
 
What, exactly, is meant by "the point on the graph of g(x) corresponding to the point P"?
 

Similar threads

  • · Replies 19 ·
Replies
19
Views
3K
Replies
7
Views
2K
Replies
10
Views
2K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 12 ·
Replies
12
Views
3K
Replies
8
Views
5K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 6 ·
Replies
6
Views
3K
  • · Replies 4 ·
Replies
4
Views
2K