B6. The linearization of f{x) = 511'2 +3x2 near In :1 is: a) y=lx+13 b)y=131+5 c) y:ll'1c1I d) lx+3 e}10x4 3'1. f{x) = 4x! + 2x1 +3xl . Find[f" ]' (6) . a) 11 b) 1111 c)4ll d) 11411 e)-l1'6 B8. When Writing the formula for an exponential function passing through the points (-2, 419} and {2, 36] using the fonn )1 = ab' , what would be the base, I}? a) 419 b) 31 c) 1181 d) 3 e) 113 B9. Which of the following rcpresents the amount in an account t years am investing $3000 at a 6% annual rate compounded monthly? [2: I11 a) 300%?) b) 3.1111110+0.116)'2r c) 3000[1+%] d} 30m[1+%]\" e) 30110199502\" B12. Evaluate (log10) (log 20) a) log 10 + log 20 b) 2(log10) c) 1 + log 2 d) (log4) (log5) e) none of these\f\f\fB22. If y = x' + x, find the value of the differential dy corresponding to a change in x of dx = 0.1 when x = 2. a) 0.11 b) 0.5 c) 0.51 d) 1.2 e) 6.5 B23. Find dy/dx if xe +1 = xy a) 0 b) c) d) e) re -x - X xe - 1 xe - x B24. 210825 = a) 5 b) 5/2 c) 2/5 d) -5 e) 5/4 B25. Find the critical numbers for f(x) = x' + 3x- + 1. a) -2 only b) 0 and -2 c) 0 only d) 3x' + 6x e) There are no critical numbers.B26. The absolute maximum value of the flmctinnx) = x3 I53?I + 15 on the closed interval [0, 3] is 31)-? h}-17 c)4 d)-12 e)15