Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find cos A when a = 9 and b = 7.
A. 
B. 
C. 
D. 
Mathematics
For the given functions f and g, find the indicated composition.f(x) = 
, g(x) = 6x + 8(g?f)(x)
A. x
B. 6x + 40
C. x - 
D. x + 16
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics