Provide an appropriate response.Perform the operations: -7 - 
-2 
- 
- 
2
A. 57
B. -7
C. -49
D. -9
Answer: C
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Find the indicated derivative.Find y " if y = -5 cos x.
A. y " = -5 cos x B. y " = -5 sin x C. y " = 5 sin x D. y " = 5 cos x
Solve the given equation.x2 = 17
A. 8.5 B. 2.8333 C. 4.1231 D. 5.6667
Solve the problem.Suppose that every element in the data set {x1, x2, x3, ..., xN} is positive. Further, suppose each element is first increased in value by 10% and then 1 is added to each of the resulting values. Which of the following is not true?
A. The median of the data set increases by 10%. B. The standard deviation of the data set increases by 10%. C. The range of the data set increases by 10%. D. The variance of the data set increases by 10%. E. all of these are true.
Solve the problem.A solar reflector is made using 29 identical triangular-shaped mirrors, each having sides 
. What is the total surface area of the reflector (to the nearest square meter)?
A. 27 m2 B. 30 m2 C. 25 m2 D. 31 m2