Write the decimal point in the correct location. 
A. 319
B. 3190.0
C. 3.19
D. 31.90
Answer: D
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Answer the problem.Use the following function and a graphing calculator to answer the questions.f(x) = 
+ 0.9 sin x, [0, 2?]a). Plot the function over the interval to see its general behavior there. Sketch the graph below.
b). Find the interior points where f' = 0 (you may need to use the numerical equation solver to approximate a solution). You may wish to plot f' as well. List the points as ordered pairs (x, y).c). Find the interior points where f' does not exist. List the points as ordered pairs (x, y).d). Evaluate the function at the
endpoints and list these points as ordered pairs (x, y).e). Find the function's absolute extreme values on the interval and identify where they occur. What will be an ideal response?
Solve the problem.What is the radian measure of the larger central angle made by the hands of a clock at 4:00? Express your answer as a rational multiple of ?.
A. 
radians
B. 
radians
C. 
radians
D. 
radians
Find the indicated composite for the pair of functions.Given f(x) = -5x + 4 and g(x) = 2x + 6, find (g ? f)(x).
A. -10x + 14 B. -10x - 2 C. -10x + 34 D. 10x + 14
Write the number in scientific notation.The treasurer's records showed a debt of $3,046,840.
A. 3.04684 x 101 B. 3.04684 x 107 C. 3.04684 x 10-6 D. 3.04684 x 106