SOLUTION: Determine if the following function has an inverse function. k(x)=3x^2−5 A. k has an inverse function B. k does NOT have an inverse function

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Question 1187100: Determine if the following function has an inverse function.
k(x)=3x^2−5
A. k has an inverse function
B. k does NOT have an inverse function

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!


find inverse:
recall that

.........swap variables
.........solve for



= ±
=> inverse is '= ±

A. an inverse function


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