# 6 x 9 x b lim x 2 x 12x correct answers 1 10 1 point

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(6x)9/x=b) limx(1 point) Using the method ofu-substitution,Z5Zbaf(u)duwhereu=(enter a function ofx)du=dx(enter a function ofx)a=(enter a number)b=(enter a number)f(u) =(enter a function ofu).
10.(1 point)Find the limit. Use l’Hospital’s Rule if appropriate. Use INFto represent positive infinity, NINF for negative infinity, and Dfor the limit does not exist.
11.(1 point) Evaluate the following limit. Enter-Iif youranswer is-, enterIif your answer is, and enterDNEifthe limit does not exist.
12.(1 point) Evaluate the indefinite integrals using Substitu-tion. (useCfor the constant of integration.)a)Z3x2(x3+9)8dx=b)Z(2x-9)(x2-9x-9)4dx=c)Zx(x2-2)3
(16x+6)(4x2+3x+3)3dx=
13.(1 point) Evaluate the indefinite integrals using Substitu-tion. (useCfor the constant of integration.)a)Z(lnx)2xdx=b)Zln(x9)xdx=c)
14.(1 point) Using the method ofu-substitution,Z5Zbaf(u)duwhereu=(enter a function ofx)du=dx(enter a function ofx)a=(enter a number)b=(enter a number)f(u) =(enter a function ofu).