Simplify. Assume that all variables represent non-negative real numbers.
A. -2a2b
B. 2
C. 2ab
D. 2ab
Answer: A
Mathematics
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Solve the problem.Write 
+ 
as a single iterated integral.
A. 
B. 
C. 
D. 
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Solve the problem.A life insurance company uses the following rate table for annual premiums for women for term life insurance. Use a graphing utility to fit an exponential function to the data. Predict the annual premium for a woman aged 70 years.
A. y = 6.367e0.068x, $743 B. y = 0.0000398x4.06, $1233 C. y = -9306.4 + 2516.3 ln (x), $1723 D. y = 8.94e0.068x, $1044
Mathematics
Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).f(x) = 
; g(x) = x2
What will be an ideal response?
Mathematics
Use substitution to solve the system of equations.x - 6y = -152x - 7y = -10
A. (-9, 5) B. (8, 5) C. Inconsistent; no solutions D. (9, 4)
Mathematics