In Problems 23–28, answer the questions about the given function. x² + 2 26. f(x) = x + 4 23. f(x) = 2x? - x - 1 (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 24. f(x) = -3x² + 5x (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -2, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. x + 2 (a) Is the point ( 1,) on the graph of f? (b) If x = 0, what is f(x)? What point is on the graph of f? (c) If f(x) =5. what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 2r? x* +1 (a) Is the point (-1, 1) on the graph of f? (b) If x = 2, what is f(x)? What point is on the graph of f? (c) If f(x) = 1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the r-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 27. f(x) 25. f(x) X - 6 (a) Is the point (3, 14) on the graph of f? (b) If x = 4, what is f(x)? What point is on the graph of f? (c) If f(x) = 2, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 2r 28. f(x) = 2 (a) Is the point | on the graph of f? (b) If x = 4, what is f(x)? What point is on the graph of f? (c) If f(x) = 1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f.
In Problems 23–28, answer the questions about the given function. x² + 2 26. f(x) = x + 4 23. f(x) = 2x? - x - 1 (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 24. f(x) = -3x² + 5x (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -2, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. x + 2 (a) Is the point ( 1,) on the graph of f? (b) If x = 0, what is f(x)? What point is on the graph of f? (c) If f(x) =5. what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 2r? x* +1 (a) Is the point (-1, 1) on the graph of f? (b) If x = 2, what is f(x)? What point is on the graph of f? (c) If f(x) = 1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the r-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 27. f(x) 25. f(x) X - 6 (a) Is the point (3, 14) on the graph of f? (b) If x = 4, what is f(x)? What point is on the graph of f? (c) If f(x) = 2, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 2r 28. f(x) = 2 (a) Is the point | on the graph of f? (b) If x = 4, what is f(x)? What point is on the graph of f? (c) If f(x) = 1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:In Problems 23–28, answer the questions about the given function.
x² + 2
26. f(x) =
x + 4
23. f(x) = 2x? - x - 1
(a) Is the point (-1, 2) on the graph of f?
(b) If x = -2, what is f(x)? What point is on the graph of f?
(c) If f(x) = -1, what is x? What point(s) are on the graph
of f?
(d) What is the domain of f?
(e) List the x-intercepts, if any, of the graph of f.
(f) List the y-intercept, if there is one, of the graph of f.
24. f(x) = -3x² + 5x
(a) Is the point (-1, 2) on the graph of f?
(b) If x = -2, what is f(x)? What point is on the graph
of f?
(c) If f(x) = -2, what is x? What point(s) are on the graph
of f?
(d) What is the domain of f?
(e) List the x-intercepts, if any, of the graph of f.
(f) List the y-intercept, if there is one, of the graph of f.
x + 2
(a) Is the point ( 1,) on the graph of f?
(b) If x = 0, what is f(x)? What point is on the graph of f?
(c) If f(x) =5. what is x? What point(s) are on the graph
of f?
(d) What is the domain of f?
(e) List the x-intercepts, if any, of the graph of f.
(f) List the y-intercept, if there is one, of the graph of f.
2r?
x* +1
(a) Is the point (-1, 1) on the graph of f?
(b) If x = 2, what is f(x)? What point is on the graph of f?
(c) If f(x) = 1, what is x? What point(s) are on the graph
of f?
(d) What is the domain of f?
(e) List the r-intercepts, if any, of the graph of f.
(f) List the y-intercept, if there is one, of the graph of f.
27. f(x)
25. f(x)
X - 6
(a) Is the point (3, 14) on the graph of f?
(b) If x = 4, what is f(x)? What point is on the graph of f?
(c) If f(x) = 2, what is x? What point(s) are on the graph
of f?
(d) What is the domain of f?
(e) List the x-intercepts, if any, of the graph of f.
(f) List the y-intercept, if there is one, of the graph of f.
2r
28. f(x) =
2
(a) Is the point
| on the graph of f?
(b) If x = 4, what is f(x)? What point is on the graph of f?
(c) If f(x) = 1, what is x? What point(s) are on the graph
of f?
(d) What is the domain of f?
(e) List the x-intercepts, if any, of the graph of f.
(f) List the y-intercept, if there is one, of the graph of f.
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