SOLUTION: Hello, Identify the domain and range of f(x)= 2cosx

SOLUTION: Hello, Identify the domain and range of f(x)= 2cosx

Algebra.Com

Question 898231: Hello,
Identify the domain and range of
f(x)= 2cosx

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Domain: There are no values of x for which f(x) is not defined so (,).
Range : The cosine function travels between [-1,1] so multiplying by the constant, [-2,2] is the range.

RELATED QUESTIONS
Hello, What is the domain and range of f? f(x)= -4x (answered by Prithwis)

Identify the domain and range of f(x)=square root of... (answered by CubeyThePenguin)

Let f(x)=e^x sketch the graph g(x)=-f(x-2)+3,identify any intercepts and asymptotes... (answered by stanbon)

how do i graph constant function of f(x)=2 and use the graph to identify domain and range (answered by JBarnum)

find the domain and range of f(x)=2x+3 (answered by crabbyoldgamer)

what are the domain and range of f(x)... (answered by josgarithmetic)

Graph the quadratic function f(x)=5-x^2 and identify the Vertex. Give the Domain and... (answered by lwsshak3)

Sketch the graph of each function. state the domain and range, and whether the function... (answered by longjonsilver)

1)use the transformations to identify the graph of the function. then determine its... (answered by lynnlo)