blog #keeweyb

this week we learned all aout the second deivative test.

first yu take the first derivative and set it equal to zero and solve.

then you take the second derivative and do the same.

then you check for differentiaility

the yo et up your intervals

then yo pik numbers on that interval and plug them into the second derivative.

chec for points of inflection.

if youz gotz a positive numba its concave up

if it be negative then its concave down

n ifs it zero false