Simplify: 18 - (-7) - 4 + 8
A. -7
B. 0
C. 15
D. 29
Answer: D
Mathematics
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Solve the problem.Let f(x) compute the time in hours to travel x miles at 
per hour. What does 
compute?
A. The hours taken to travel x miles at 
per hour
B. The hours taken to travel 49 miles
C. The miles traveled in x hours at 
per hour
D. The miles traveled in 49 hours
Mathematics
Show that the matrix has no inverse.A = 
What will be an ideal response?
Mathematics
Use the square root property to solve the quadratic equation.x2 = - 16
A. ± 256 B. - 4 C. ± 4 D. no real solution
Mathematics
For the functions f(x) and g(x), determine the domain of (f/g)(x) (the quotient of f and g).f(x) = 
, g(x) = -6x
A. {x ? x is a real number} B. {x ? x is a real number and x ? 0} C. {x ? x is a real number and x ? -12} D. {x ? x is a real number and x ? 12}
Mathematics