N 7. A. 1 2x²-1 8. A. I and II only If_f(x)== 1 B. 0 If 90°

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 498E: If y varies inversely with x and y=11 when x=3 find the equation that relates x and y.
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Pls help ASAP. Pls do all the asked questions pls I BEG PLS

If f(x)=2x2²/1 then f(2)-f(0) =
9
B. 0
A.
C.
8. If 90°<x<y<180°, which of the following is/are true?
I.
sin x>sin y
II.
COS X>cos y
III.
tan x<tan y
A. I and II only
B. I and III only
C. II and III only
7.
حراست
1
3
vie
D. Undefined
D. I, II and III
Transcribed Image Text:If f(x)=2x2²/1 then f(2)-f(0) = 9 B. 0 A. C. 8. If 90°<x<y<180°, which of the following is/are true? I. sin x>sin y II. COS X>cos y III. tan x<tan y A. I and II only B. I and III only C. II and III only 7. حراست 1 3 vie D. Undefined D. I, II and III
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