Determine whether the function is a probability density function over the given interval.f(x) = 
x, 0 ? x ? 4
A. Yes
B. No
Answer: A
Mathematics
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Evaluate the integral.
A. 6ex - ex + C B. 6ex - 6xex + C C. xex - 6ex + C D. 6xex - 6ex + C
Mathematics
Solve for x using an equivalent exponential expression.Find the perimeter of a square picture frame if the length of one side is 23.6 in.
A. 94.4 in. B. 556.96 in. C. 70.8 in. D. 47.2 in.
Mathematics
Use the compound interest formula to determine the final value of the given amount.$12,000 at 4% compounded quarterly for 7 years
A. $15,855.49 B. $15,698.51 C. $3855.49 D. $15,791.18
Mathematics
Write the perimeter of the figure as an algebraic expression and simplify.
A. 7a + 4b B. 10a + 12b C. 14a + 8b D. 5a + 6b
Mathematics