Determine the slope of the tangent m, for each of the following functions. Then determine the equation of the tangent line at x=1.

a) f(x) = 1/ sqrt of x
b) f(x) = 60 - 5t^2

I will do one:

f(x)=x^(-.5)
f'(x)= -.5 x^(-1.5)
f'(1)=-.5 (1)=-.5