?Use the provided definition to find f(A): If f is the polynomial function,
, then for an 
matrix A, f(A) is defined to be
. Given that 
, 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
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Find the most general antiderivative.
d?
A. cos2 ? + C B. -cot ? + C C. ? + tan ? + C D. cot ? + C
Solve the absolute value inequality. Write your answer in interval notation.
? 2
A. 
? 
B. 
C. No solution
D. 
Solve the equation by completing the square.2x2 + 6x = - 3
A. 
B. 
C. 
D. 
Solve the problem.The formula S = A
models the value of a retirement account, where 
number of dollars added to the retirement account each year, 
annual interest rate, and 
value of the retirement account after t years. If the interest rate is 8%, how much will the account be worth after 45 years if $2000 is added each year? Round to
the nearest whole number. A. $92,000 B. $2,936,681 C. $836,852 D. $68,936