Question
Find the vertex of the function. f(x) = -3Ix + 1I – 5
- (1, 5)
- (-1, -5)
- (1, -5)
- (5, -1)
Hint:
We know that;
f(x) = aIx – hI + k
compare the given equation
here ; vertex is(h, k)
The correct answer is: (-1, -5)
f(x) = aIx – hI + k
Here h = -1, k = -5
Vertex is (h, k) i.e. (-1, -5)
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