?For the given function, find the critical numbers.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, y-intercept: 
;
B. No x-intercepts, y-intercept: 
;
C. x-intercept: 
, no y-intercepts ;
D. No x-intercepts, y-intercept: 
;
Identify the unknown amount as the portion, rate, or base.2 is 30% of what number?
A. rate B. base C. portion
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. {(2, 1, 6)} B. {(2, -1, 4)} C. {(-1, 2, 1)} D. ?
Solve the problem.An initial investment of $14,000 is appreciated for 4 years in an account that earns 8% interest, compounded semiannually. Find the amount of money in the account at the end of the period.
A. $5159.97 B. $18,423.04 C. $19,159.97 D. $19,046.85