Question
Find the relative extrema of
f(x) = -2x^2 + 4x + 3
I don't know how to use the First derivative test to find it.
f(x) = -2x^2 + 4x + 3
I don't know how to use the First derivative test to find it.
Answers
Reiny
take the first derivative and set it equal to zero.
-4x + 4 = 0
x = 1
sub that back into the function.
-4x + 4 = 0
x = 1
sub that back into the function.