\fN 11. IF THE INTEGRAL I (6x2 ) sec? (x3 2M7: IS EVALUATED USING A u SUBSTITUTION, WHAT U WOULD THE \"LET" STATEMENT BE? A. LET u = 6x2 B. LET u = sec(x3 2) C. LET u = sec(x) D. LET u = x3 2 E. NONE OF THESE 12. FOR THE FUNCTION f(x) = (x + 2)e" WHAT IS THE EQUATION OF THE LINE TANGENT TO THE CURVE AT THE POINT (0, 2) ? A. y=3x2 B. y=3x+2 C. y=2x+2 D. THERE IS NO TAN GENT LINE AT THIS POINT E. NONE OF THESE 13. WHAT IS THE 6TH DERIVATIVE OF THE FUNCTION f(x) = ex + x4 a? 10 A- f\"(x)=eI+C B. f\"(x)=ex+x\" 0- f\"(x)=ex+:o+c D. f\" (x) = e" + 720 E. NONE OF THESE 14. FOR THE FUNCTION f(x) = In (x4 4x3 ) WHICH OF THE FOLLOWING IS THE DERIVATIVE? 1 1 (x4 4x3) (3;:4 4x3) C_ f'(x)=h1(x44x3) D. f'(x)= A. f'(x) = +(4x3 12x2) B. f'(x) = 1 ~ (35' 4x3) E. NONE OF THESE (4x 12x ) 2 15. GIVEN THAT \"12x2 + 21145: 4)alx = 12 WHAT MUST BE THE VALUE FOR M ? 1 A. M=3 B. M = 4 C. M=l2 D. MCANNOTBEDETERMINED E. NONEOF'II-[ESE