Perform the indicated operation.(4a5 - 3a3) + (8a5 + 9a3)
A. 12a10 + 6a6
B. 18a8
C. 18a16
D. 12a5 + 6a3
Answer: D
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 
B. 
C. 1 - sin 9
D. 1 + cos 9
Use the method of variation of parameters to solve the differential equation.y'' + y = sec x tan x
A. y = C1 cos x + C2 sin x - sin x(x + tan x) + sin x ln|csc x| B. y = C1 cos x + C2 sin x + sin x(x - tan x) + cos x ln|sec x| C. y = C1 cos x + C2 sin x + cos x(x - tan x) + sin x ln|sec x| D. y = C1 cos x + C2 sin x + cos x(x - tan x) + cos x ln|sec x|
Construct a truth table for the statement.~(p ? q) ? ~(p ? q)
A. 
| T | T | T |
F T T
F F T
B.
| T | T | F |
F T T
F F T
C.
| T | T | T |
F T F
F F T
D.
| T | T | F |
F T F
F F T
For the polynomial function find the following: (i) Degree of the polynomial; (ii) All x intercepts; (iii) The y intercept.f(x) = (x6 + 7)(x10 + 9)
A. (i) 60 (ii) 7, 9 (iii) -63 B. (i) 16 (ii) none (iii) 63 C. (i) 16 (ii) 7, 9 (iii) 63 D. (i) 60 (ii) none (iii) -63