Find the average rate of change.
?25 mi/hr
Mathematics
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Find all specified roots.Square roots of i
A. -1, 1
B. -i, i
C. 
+ 
i, - 
- 
i
D. 
- 
i, - 
+ 
i
Mathematics
Perform the indicated operation and simplify if possible.
A. 
B. 4
C. 2
D. 
Mathematics
Evaluate the function at the given value of the independent variable and simplify.f(x) = 
;f(2)
A. - 1
B. 
C. 
D. - 
Mathematics
Solve the problem.The dimensions of a cardboard box were measured as 50 cm, 90 cm and 50 cm, with the percentage error in each dimension not exceeding 4 percent. Approximate the worst possible percentage error in the volume of the box. Assume that the cardboard is of negligible thickness.
A. 8% B. 4% C. 12% D. 9%
Mathematics