Find k such that the function is a probability density function over the given interval. Then write the probability density function.f(x) = kx2; [-1, 4]
A. 
; f(x) = 
x2
B. 
; f(x) = 
x2
C. 
; f(x) = 
x2
D. 
; f(x) = 
x2
Answer: D
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Graph the solution of the rational inequalities on a number line and write the solution in interval notation. 
? 0
A. 
? [5, ?)
B. 
? [5, ?)
C. [5, ?)
D. 
State whether the equation is an example of the product rule, the quotient rule, the power rule, raising a product to a power, or raising a quotient to a power. (94)6 = 924
A. The quotient rule B. The power rule C. The product rule D. Raising a quotient to a power rule
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(1, 4)
A. increasing B. constant C. decreasing
Solve the problem.A rectangular garden has dimensions of 21 feet by 14 feet. A gravel path of equal width is to be built around the garden. How wide can the path be if there is enough gravel for 564 square feet?
A. 8.5 ft B. 6 ft C. 8 ft D. 7 ft