21) Consider the function f(x)=2x²+x²-13-46 [1 marki Show that 2 is a root of the equation f(x)=0. marks) Find the other roots of the equation 24-4-3r-6-0. State any relevant theorems and show your work to car full credit for this problem, (3 marks] Using the intercepts and end behavior, make a ticat sketch of f(2) = 2x²++-13x+6 ON THE GRAPH PAPER PROVIDED. Label all intercepts on your sketch. [2 marks] Using your graph, find all x such that f(x) <0.
21) Consider the function f(x)=2x²+x²-13-46 [1 marki Show that 2 is a root of the equation f(x)=0. marks) Find the other roots of the equation 24-4-3r-6-0. State any relevant theorems and show your work to car full credit for this problem, (3 marks] Using the intercepts and end behavior, make a ticat sketch of f(2) = 2x²++-13x+6 ON THE GRAPH PAPER PROVIDED. Label all intercepts on your sketch. [2 marks] Using your graph, find all x such that f(x) <0.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![21) Consider the function f(x)=2x²+x²-13-46
[1 marki Show that 2 is a root of the equation f(x)=0.
marks) Find the other roots of the equation 24-4-3r-6-0. State any relevant theorems and show your
work to car full credit for this problem,
(3 marks] Using the intercepts and end behavior, make a ticat sketch of f(2) = 2x²++-13x+6 ON THE
GRAPH PAPER PROVIDED. Label all intercepts on your sketch.
[2 marks] Using your graph, find all x such that f(x) <0.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F172054af-8711-4a0d-bf4d-14119d8a6d9f%2Fc5848987-ef08-4354-a10f-409e94808843%2Fx60a8ma_processed.jpeg&w=3840&q=75)
Transcribed Image Text:21) Consider the function f(x)=2x²+x²-13-46
[1 marki Show that 2 is a root of the equation f(x)=0.
marks) Find the other roots of the equation 24-4-3r-6-0. State any relevant theorems and show your
work to car full credit for this problem,
(3 marks] Using the intercepts and end behavior, make a ticat sketch of f(2) = 2x²++-13x+6 ON THE
GRAPH PAPER PROVIDED. Label all intercepts on your sketch.
[2 marks] Using your graph, find all x such that f(x) <0.
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