Find the inverse of the matrix (if it exists).A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
Answer: B
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Evaluate the integral by first performing long division on the integrand and then writing the proper fraction as a sum of partial fractions.
A. 3x2 + ln 
- 
ln 
+ C
B. 3x2 - 
ln 
+ C
C. 3x2 + ln 
- x ln 
+ C
D. 3x2 + ln 
+ 
ln 
+ C
Solve the problem.The function 
can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 
Round the answer to two decimal places.
A. 607.55 mg B. 0.04 mg C. 2.97 mg D. 1.62 mg
Verify the identity.
= 
What will be an ideal response?
Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient.f(x) = 3x2 - 4
A. Linear B. Quadratic; -4 C. Quadratic; 3 D. Neither