My cat got my dog pregnant

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Find the value of x that will make l ll m

Which of these sequences is a geometric sequence a 1,2,4, 7, 11, 16, 22. b. 2.4.8.14.22.38 c.3.6.9. 15.18,21 d. 3,9,27,81,243,729,