B) 롭 A) 5x tanx O 45 A) 46 11) y = x². Tanx > dy = ? Ta ン de 2 secxx D) 5x4 tanx D) Z B) X5 sec X 5 th c) 5x secx E) 5x tanx + X5 sec² x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.7: More On Inequalities
Problem 44E
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Question
Answer 11 only
a
a 26 foot lodder bons against
so that its foot moves
building
away from the building at the rate.
of 3 feet per second. When the foot of
the ladder is 10 feet from the building,
the top is moving down, at what rate.
..- What is dy
af
A) 나을
c) {
B) 2 25 X 4X
11) y = X ²³ Tanx ; dy = ?
A) 5x tanx
12) y =
4) -7
D) 5x4 tanx
(3x+)²
A) X+L
X+1
2-X
3x+1
3
D)
B) X5 sec X
dy = ?
B) 6X-5
(3XH)²
13) y = √x²+2x-1'; dy = ?
dk
B) 4y (XH)
(XH)
(x²+2x-1) 3/2
c) 5X1. sec²x
E) SX"tanx + X sec²x
D) {/
(3x+1)
E) //
c) 1
D)
2\x²2x-1
3+2X
Transcribed Image Text:a a 26 foot lodder bons against so that its foot moves building away from the building at the rate. of 3 feet per second. When the foot of the ladder is 10 feet from the building, the top is moving down, at what rate. ..- What is dy af A) 나을 c) { B) 2 25 X 4X 11) y = X ²³ Tanx ; dy = ? A) 5x tanx 12) y = 4) -7 D) 5x4 tanx (3x+)² A) X+L X+1 2-X 3x+1 3 D) B) X5 sec X dy = ? B) 6X-5 (3XH)² 13) y = √x²+2x-1'; dy = ? dk B) 4y (XH) (XH) (x²+2x-1) 3/2 c) 5X1. sec²x E) SX"tanx + X sec²x D) {/ (3x+1) E) // c) 1 D) 2\x²2x-1 3+2X
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