Simplify.(x4)9
A. x13
B. x36
C. 9x36
D. 9x4
Answer: B
Mathematics
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For the pair of functions, find the indicated domain.f(x) = 5x + 45, g(x) = x + 2Find the domain of f ? g.
A. (-?, -11) ? (-11, ?) B. (-?, 11) ? (11, ?) C. (-?, -11] ? [-11, ?) D. (-?, ?)
Mathematics
Solve the problem.Frank can type a report in 4 hours. James takes 8 hours to type it. How long will it take the two of them typing together?
A. 8 hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Mathematics
Find the quotient and simplify.
÷ 
A. 
B. 
C. z + 7
D. 
Mathematics