Find det A using the method of cofactors.A = 
A. 256
B. -310
C. -256
D. 202
Answer: C
Mathematics
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Evaluate the integral. 
A. 9 sin-1
- 
+ C
B. 9 sin-1
- x
+ C
C. 
- 3 ln
+ C
D. -3sin-1
- x2
+ C
Mathematics
Factor:
Mathematics
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = x2 - 4x + 9
A. (-2, 5) B. (-2, -4) C. (2, 5) D. (2, -4)
Mathematics
Use the discriminant to determine the number of real solutions.x2 + 3x - 7 = 0
A. One real solution B. No real solutions C. Two real solutions
Mathematics