a. given the functions f(x)=cosx and g(x)=sqrt 10+x determine the value of g(f(pi)) options : sqrt 11, 9, 3, sqrt pi

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter7: Analytic Trigonometry
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a. given the functions f(x)=cosx and g(x)=sqrt 10+x determine the value of g(f(pi)) options : sqrt 11, 9, 3, sqrt pi

b. true or false= the graph of y=sin[1/2x+pi/4] can be drawn by translating the graph of y=sinx left pi/2 radians

c.the height, h, in metres, above the ground of a car as a ferris wheel rotates can be modelled by the function h(t)=16cos(pi(t)/120)+18, where t is the time, in seconds. what is the radius of the ferris wheel? options: 8m, 9m, 16m or 18m

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