Solve.
+ 
= 
A. - 
B. 
C. -2, 
D. no solution
Answer: B
Mathematics
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Solve the initial value problem.
= 
, x > 3, y(6) = 2
A. y = sec-1 
+ 2
B. y = 
sin-1 
+ 2
C. y = 
sec-1 
+ 2 - 
?
D. y = 
sec-1 
+ 2
Mathematics
Write the complex number in the form a + bi.
(cos 315° + i sin 315°)
A. 
- i
B. 
- 
i
C. 
- 
i
D. 
- i
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = ln(cos 10x)
A. Q(x) = - 50x2 B. Q(x) = 1 - 50x2 C. Q(x) = 1 + 50x2 D. Q(x) = 50x2
Mathematics
Solve.If a spring stretches 4 m when a mass of 7-kg is attached to it, how much will it stretch when a mass of 42-kg is attached to it?
A. 26 m B. 24 m C. 23 m D. 27 m
Mathematics