Solve the problem.In 1999 the stock market took big swings up and down. A survey of 998 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily? 
A. 26.75%
B. 24.52%
C. 29.26%
D. 22.95%
Answer: D
Mathematics
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Find the gradient field of the function.f(x, y, z) = ex4 + y3 + z6
A. ?f = x3ex4 + y3 + z6i + y2ex4 + y3 + z6j + z5ex4 + y3 + z6k B. ?f = 4x3ex4 + y3 + z6i + 3y2ex4 + y3 + z6j + 6z5ex4 + y3 + z6k C. ?f = x4ex4 + y3 + z6i + y3ex4 + y3 + z6j + z6ex4 + y3 + z6k D. ?f = 4x3ex4i + 3y2ey3j + 6z5e z6k
Mathematics
Calculate the slope of the line passing through the given points. If the slope is undefined, so state. Then indicate whether the line rises, falls, is horizontal, or is vertical.(-4, 8), (2, 8)
A. 5, rises B. 11, rises C. 0, is horizontal D. 1, rises
Mathematics
What term of the arithmetic sequence is the given number?
, 
, 
, . . . ; 
A. 24 B. 25 C. 23 D. 21
Mathematics
Write the fraction in simplest form.
A. - 
B. 
C. 
D. 
Mathematics