Evaluate sum _(i=1)^n(i^2+1)= ) - (2n^3+3n^2+7n)/(6) (2n^3+3n^2+7)/(6) (3n^3+2n^2+7n)/(6) infty (5n^3+7n)/(6)a. ( 425)/((1+frac (0.09)(12))^24)The function f(x)=-x^4+6x^2+8xhasx=-1 as a critical number. The point (-1,-1) on the graph of y=f(x) is (i) local maximum (ii) local minimum (iii) point of inflexion (i) is true (ii) is true. (iii) is true. (i), (ii), (iii) are all true. none of these is true.2. Find a family of curves such that each of its members intersects every parabola in the family y-1=Cx^2 at right angles.This portfolio was started 2 years ago. What is the current value of the portfolio? - Weekly deposits of 50 into an account earning 1.5% compounded weekly - A 2500 investment averaging 3.25% compounded semi-annuallyPREV 515253545556575859 NEXT
