Graph the pair of parametric equations in the rectangular coordinate system.x = 9 cosh t , y = 6 sinh t, -? < t < ?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem. Assume all variables represent nonnegative real numbers.For f(x) = x + 
and g(x) = x - 
, find (f ? g)(x).
A. (f ? g)(x) = x2 + 5
B. (f ? g)(x) = x2 - 2x
- 5
C. (f ? g)(x) = x2 - 5
D. (f ? g)(x) = x2 - 2x
+ 5
Mathematics
Simplify. Assume that variables can represent any real number.
A. 5t
B. 5
C. 5t2
D. 12
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. - 
C. 
D. - 
Mathematics
Differentiate.f(x) = (4x2 + 9)5
A. f'(x) = 5(4x2 + 9)4 B. f'(x) = 40x(4x2 + 9)4 C. f'(x) = (40x + 9)(4x2 + 9)4 D. f'(x) = 40(4x2 + 9)4
Mathematics