Asked by Bailey
Find the range of values of k for which the expression x^2 -4x + k will be positive for all real values of x. Hence state the range of values of x satisfying the inequality x^2 -4x + 7 > 0.
For the first part, this is what i did:
(-4)^2 - 4(k) > 0
k<4
but how do i do the second part ("hence...")????
For the first part, this is what i did:
(-4)^2 - 4(k) > 0
k<4
but how do i do the second part ("hence...")????
Answers
Answered by
jake
I need more information son
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