4. If f(x) = ax²+bx+c, and f (x + 1) = f(x) + x + 1, what is the value of (a + b)? (A) (B) 1 (C) 1213N3 T (D) 3 (E) 4 Solve yourself: Substitute x-0 into first equation: f(0) = c Substitute x-1 into first equation: f(1) = a(1)^2 + b(1) + c f(1) =a+b+c { Substitute x-0 into second equation: f(0 + 1) =
4. If f(x) = ax²+bx+c, and f (x + 1) = f(x) + x + 1, what is the value of (a + b)? (A) (B) 1 (C) 1213N3 T (D) 3 (E) 4 Solve yourself: Substitute x-0 into first equation: f(0) = c Substitute x-1 into first equation: f(1) = a(1)^2 + b(1) + c f(1) =a+b+c { Substitute x-0 into second equation: f(0 + 1) =
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
![4. If f(x) = ax² + bx + c, and f (x − 1) = f (x) + x + 1, what is the value of (a + b)?
(A)
(B)
(C)
(D) 3
(E)
Solve yourself:
2
1
- نیا انا لنا ما
3
4
Substitute x=0 into first equation:
(A) 11
(B) 19
(C) 29
(D) 39
(E) 41
Solve yourself:
f(0) = c
Substitute x-1 into first equation:
f(1) = a(1)^2 + b(1) + c
f(1) =a+b+c
{
Substitute x=0 into second equation:
f(0 + 1) =
:
5. If f(x) = x² + 3 and g(x) = 3f(x), what is the greatest possible value of f (x - 1), if g (x) =
84?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd19722f0-ad57-46c7-85cc-fbe792f30d47%2Fe3812e9a-a8fe-49e4-a939-d0eea9852515%2Fks1cgkn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. If f(x) = ax² + bx + c, and f (x − 1) = f (x) + x + 1, what is the value of (a + b)?
(A)
(B)
(C)
(D) 3
(E)
Solve yourself:
2
1
- نیا انا لنا ما
3
4
Substitute x=0 into first equation:
(A) 11
(B) 19
(C) 29
(D) 39
(E) 41
Solve yourself:
f(0) = c
Substitute x-1 into first equation:
f(1) = a(1)^2 + b(1) + c
f(1) =a+b+c
{
Substitute x=0 into second equation:
f(0 + 1) =
:
5. If f(x) = x² + 3 and g(x) = 3f(x), what is the greatest possible value of f (x - 1), if g (x) =
84?
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