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(a) Find f(-21) and f(-6). f(-21) = f(-6)= (b) Find f(18) and f(0). f(18)= f(0) = (c) Is (6) positive or negative? O Negative O Positive (d) Is f(-6) positive or negative? O Negative O Positive (e) For what value(s) of x is f(x)=0? (Use a comma to separate answers (f) For what values of x is f(x) > 0? s needed.) (Type a compound inequality. Use a comma separate answers as needed.) (g) What is the domain off? The domain off is {xl. (Type a compound inequality.) (h) What is the range of f? The range of fis (yl (-18,0) -9,3) (-3,0) 181266218 (-21,-2) (18,2) (6,-2) (12.0)

(a) Find f(-21) and f(-6). f(-21) = f(-6)= (b) Find f(18) and f(0). f(18)= f(0) = (c) Is (6) positive or negative? O Negative O Positive (d) Is f(-6) positive or negative? O Negative O Positive (e) For what value(s) of x is f(x)=0? (Use a comma to separate answers (f) For what values of x is f(x) > 0? s needed.) (Type a compound inequality. Use a comma separate answers as needed.) (g) What is the domain off? The domain off is {xl. (Type a compound inequality.) (h) What is the range of f? The range of fis (yl (-18,0) -9,3) (-3,0) 181266218 (-21,-2) (18,2) (6,-2) (12.0)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.6: Solving Quadratic Equations By Using The Quadratic Formula
Problem 28PPS
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Use the given graph of the function f to answer parts (a)-(o). (a) Find f(-21) and f(-6). f(-21)= f(-6)= (b) Find f(18) and f(0). f(18): = f(0) = = (c) Is f(6) positive or negative? Negative Positive (d) Is f(- 6) positive or negative? Negative Positive (e) For what value(s) of x is f(x) = 0? X= (Use a comma to separate answers as needed.) (f) For what values of x is f(x) > 0? y= (Type a compound inequality. Use a comma to separate answers as needed.) (g) What is the domain of f? The domain off is {xD. (Type a compound inequality.) (h) What is the range of f? The range of f is {yl. (Type a compound inequality.) (i) What are the x-intercept(s)? X= (Use a comma to separate answers as needed.) (j) What are the y-intercept(s)? C (-18,0) (-9,3) 4 (-6,2) 12 2 (-3,0) (0, -1) *(-21,-2) -2 - 4 (18,2) 6 12 18 (12,0) (6,-2) x
Transcribed Image Text:Use the given graph of the function f to answer parts (a)-(o). (a) Find f(-21) and f(-6). f(-21)= f(-6)= (b) Find f(18) and f(0). f(18): = f(0) = = (c) Is f(6) positive or negative? Negative Positive (d) Is f(- 6) positive or negative? Negative Positive (e) For what value(s) of x is f(x) = 0? X= (Use a comma to separate answers as needed.) (f) For what values of x is f(x) > 0? y= (Type a compound inequality. Use a comma to separate answers as needed.) (g) What is the domain of f? The domain off is {xD. (Type a compound inequality.) (h) What is the range of f? The range of f is {yl. (Type a compound inequality.) (i) What are the x-intercept(s)? X= (Use a comma to separate answers as needed.) (j) What are the y-intercept(s)? C (-18,0) (-9,3) 4 (-6,2) 12 2 (-3,0) (0, -1) *(-21,-2) -2 - 4 (18,2) 6 12 18 (12,0) (6,-2) x
(k) How often does the line y = 1 intersect the graph? time(s) (1) How often does the line x = 5 intersect the graph? time(s) (m) For what value(s) of x does f(x) = -2? X = (Use a comma to separate answers as needed.) (n) For what value(s) of x does f(x) = 3? X = (Use a comma to separate answers as needed.) (o) What are the zeros of f? X = (Use a comma to separate answers as needed.)
Transcribed Image Text:(k) How often does the line y = 1 intersect the graph? time(s) (1) How often does the line x = 5 intersect the graph? time(s) (m) For what value(s) of x does f(x) = -2? X = (Use a comma to separate answers as needed.) (n) For what value(s) of x does f(x) = 3? X = (Use a comma to separate answers as needed.) (o) What are the zeros of f? X = (Use a comma to separate answers as needed.)
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