Give the amplitude or period as requested.Period of y = 2 cos 
x
A. 6?
B. 
C. 
D. 2
Answer: A
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Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.
A. 23,784.75 m2 B. 255.75 m2 C. 17,298 m2 D. 15,135.75 m2
The size of two matrices is given. Find the size of the product AB and the product BA, if the products exist.A is 2 × 2, B is 2 × 2.
A. AB is 2 × 4, BA is 2 × 4. B. AB is 1 × 1, BA is 1 × 1. C. AB is 2 × 2, BA is 2 × 2. D. AB is 4 × 2, BA is 4 × 2.
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Find the function.Find the function that is finally graphed after the following transformations are applied to the graph of 
The graph is shifted up 9 units, reflected about the x-axis, and finally shifted right 3 units.
A. y = 
+ 9
B. y = -
- 9
C. y = -
- 9
D. y = -
+ 9