Write an explicit formula for the sequence -3, 1, 5, a. an = -3 + 4(n-1) b. an = -3 + 4n c. an = -3 + (n-1) d. an = -3 + 4(n+1)

Plz which expression is equivalent to the expression below?

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

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.