The regular price of a pair of jeans is x dollars. Let f ( x ) = x − 5 and g ( x ) = 0.6 x . a . Describe what functions f and g model in terms of the price of the jeans. b . Find ( f ∘ g ) ( x ) and describe what this models in terms of the prize of the jeans. c . Repeat part ( b ) for ( g ∘ f ) ( x ) . d . Which composite function models the greater discount on the jeans f ∘ g or g ∘ f ? Explain.
The regular price of a pair of jeans is x dollars. Let f ( x ) = x − 5 and g ( x ) = 0.6 x . a . Describe what functions f and g model in terms of the price of the jeans. b . Find ( f ∘ g ) ( x ) and describe what this models in terms of the prize of the jeans. c . Repeat part ( b ) for ( g ∘ f ) ( x ) . d . Which composite function models the greater discount on the jeans f ∘ g or g ∘ f ? Explain.
Solution Summary: The author explains how to calculate the value of (fcirc g)
Determine whether the lines
L₁ (t) = (-2,3, −1)t + (0,2,-3) and
L2 p(s) = (2, −3, 1)s + (-10, 17, -8)
intersect. If they do, find the point of intersection.
Convert the line given by the parametric equations y(t)
Enter the symmetric equations in alphabetic order.
(x(t)
= -4+6t
= 3-t
(z(t)
=
5-7t
to symmetric equations.
Find the point at which the line (t) = (4, -5,-4)+t(-2, -1,5) intersects the xy plane.
Chapter 1 Solutions
Precalculus, Books A La Carte Edition Plus MyLab Math with eText -- Access Card Package (6th Edition)
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