what is the slope of the tangent line passing through the point (2,3) of the graph of this function? f(x)=x^2+2x-5
A 1
B 2
C 3
D 4
E 6
the slope at any point (x,y) is
f'(x) = 2x+2
so, at (2,3) the slope is 6
A 1
B 2
C 3
D 4
E 6
f'(x) = 2x+2
so, at (2,3) the slope is 6