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Q: Which of the following is a function? a. y = 2x + 5 b. y >…

A: Recall:  Vertical line test:  Any vertical line drawn in the graph will intersect the graph at only…

Q: Suppose Var(X) = 32, Var(Y) = 47, and X and Y are independent. What is Var(.15X + .85Y)?

A: Given, a  and . and  are independent random variables.It is required to find the .To solve this…

Q: 5- -4 -5 -4 -2 -3 -5 -5 0 -5 -4 -3 -2 2. ent

A:

Q: y =| x| [Select]

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Q: State the intervals on which the given function is increasing, decreasing, or constant.

A:

Q: Find the domain of the function. y = V5x - 3 3 O A. 5 О В. 5. 3. OC. O D. (- 0, 0) 8. 8. 8.

A: If we equate the equation to 0, we will see that  5x-3=o  x=3/5 is the critical point

Q: 2. The domain of the function is y 4 2 -4-2 0 2 4 x

A:

Q: For which of the x-values should you NOT attempt to estimate the y because of extrapolation? 0 20…

A: Given scatter plot The 6 data points given in the scatter plot…

Q: Find the domain and range of the following function: f (x)  {(2,3),(3,4),(5,7),(10,3)}

A: Given: f (x) = {(2,3),(3,4),(5,7),(10,3)}

Q: Let A = {x, y} and B = {1,2}. Write down each function in the set BA. 3.

A:

Q: It is impossible to find ordered pairs for the function y= -2x³ +6. O True O False

A: The given function is: y=−2x3+6. We need to verify if the ordered functions can be evaluated from…

Q: which Function werld be an appropriate Choice for a u-Subshituti on ta sin (x) di 2. 3.

A: U-substitution ∫f(u(x))u'(x) dx=∫f(u) du where u=u(x) Some of the special function of integral…