Determine the amplitude and range of the function and sketch its graph.y = 3 cos 3?x
A. amplitude: 3; range: [0, 3]
B. amplitude: 3; range: [-3, 3]
C. amplitude: 3; range: [-3, 3]
D. amplitude: 3?; range: (-?, ?)
Answer: B
Mathematics
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State whether the function is a polynomial function or not. If it is, give its degree.f(x) = 6
A. Yes; degree 1 B. Yes; degree 6 C. Not a polynomial D. Yes; degree 0
Mathematics
Solve.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 2 years?
A. 1,315,774 B. 3,862,651 C. 1,248,973 D. 1,677,528
Mathematics
Graph the function.Use the graph of f(x) = ex to obtain the graph of g(x) = e-x.
A. 
B. 
C. 
D. 
Mathematics
Find the axis of symmetry of the given function.f(x) = -x2 + 7x - 2
A. x = - 
B. x = 
C. x = 
D. x = 7
Mathematics