Find the inverse of the function.f(x) = 
, x ? 2
A. f-1(x) = x2 - 2, x ? 0
B. f-1(x) = x + 2, x ? 0
C. Not a one-to-one function
D. f-1(x) = x2 + 2, x ? 0
Answer: D
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A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.cosh x = 
, x > 0, tanh x =
A. 
B. 
C. 
D. - 
Solve the problem. Round your answer, if appropriate.Boyle's law states that if the temperature of a gas remains constant, then PV = c, where 
, 
, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 15 in. 3/sec, at what rate is P increasing when P = 40 lb/in.2 and V = 50 in.3? (Do not round your answer.)
A. 
lb/in.2 per sec
B. 
lb/in.2 per sec
C. 
lb/in.2 per sec
D. 12 lb/in.2 per sec
Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
Provide an appropriate response.What is the name of a triangle with three equal sides?
A. equilateral triangle B. scalene triangle C. isosceles triangle D. right triangle