Exantples: Do the following:

a) y=7

b) f(x) = x⁵

c) f(x) = 3x¹⁰

d) s = 3t² -15t -3

e) R(x) =(x²-x +1)⁵

f) p(t) = t⁵(2t² -7)³

g) v = (2x² -1)/(5x⁵ +2)



Example: (similar to Q8): Find the x-values on f(x) = 2x³ -3x² -12x +4 where
where the tangent lines to the graph are horizontal.