Find f'(x). f(x) = (5x + 7) (1 – V)° 105(5x + 7)° (1 – Vã)° f'(x) = 3(5x + 7)' (1 – Va) f'(x) = 35(5x + 7)° (1 – VA)° - f'(x) = 7(5x + 7) (1 - VA)° + 6(5x + 7)' (1 – VA)

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.6: Proportion And Variation
Problem 17E: Find the constant of proportionality. y is directly proportional to x. If x=30, then y=15.
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Find f (x).
f(x) = (5x + 7) (1 – Va)°
6
105(5x + 7)° (1 – VA)
f'(x)
3(5x + 7)' (1 – VA)
f'(x) = 35(5x + 7)° (1 – VA)°.
O f(x) = 7(5x + 7)° (1 – VÃ)° + 6(5x + 7)' (1 – VE)
Transcribed Image Text:Find f (x). f(x) = (5x + 7) (1 – Va)° 6 105(5x + 7)° (1 – VA) f'(x) 3(5x + 7)' (1 – VA) f'(x) = 35(5x + 7)° (1 – VA)°. O f(x) = 7(5x + 7)° (1 – VÃ)° + 6(5x + 7)' (1 – VE)
Find d'yldx.
y = x sinx - 15 cos x
d'y
xsinx – cosx
dx2
O d'y
17cosx – xsinx
dx?
dy
15cosx – sinx
dx2
Transcribed Image Text:Find d'yldx. y = x sinx - 15 cos x d'y xsinx – cosx dx2 O d'y 17cosx – xsinx dx? dy 15cosx – sinx dx2
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