Give a rule for the piecewise-defined function. Then give the domain and range.
A. f(x) = 
; Domain: (-?, 1) ? [5, ?), Range: (-?, ?)
B. f(x) = 
; Domain: (-?, 1) ? [5, ?), Range: (-?, ?)
C. f(x) = 
; Domain: (-?, ?), Range: (-?, 1) ? [5, ?)
D. f(x) = 
; Domain: (-?, ?), Range: (-?, 1) ? [5, ?)
Answer: C
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Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.a2x + b2y = b2ax + by = a
A. 
B. 
C. 
D. 
Simplify. Assume that all variables represent positive real numbers.
- 
A. - 
B. -6
C. -1
D. 0
?Approximate the critical numbers of the function shown in the graph and determine whether the function has a relative maximum, a relative minimum, an absolute maximum, an absolute minimum, or none of these at each critical number on the interval shown.
?
?
A. ?The critical number ??
yields an absolute maximum and the critical number 
yields an absolute minimum.
B. ?Both the critical numbers 
& 
yield an absolute maximum.
C. ?The critical number 
yields an absolute minimum and the critical number 
yields an absolute maximum.
D. ?Both the critical numbers 
and 
yield an absolute minimum.
E. ?The critical number 
yields a relative minimum and the critical number 
yields a relative maximum.
Determine if the following system is consistent, inconsistent, or dependent. If the system is consistent, find the solution of the system.
A. Consistent; (6, 7) B. Consistent; (6, 4) C. Dependent D. Inconsistent