1. Evaluate A. . 3/5 C. 2/5 Differentiate D. 4/5 (1 Point) xz - 1 lim y = sec(x2 + 2) x-1x2 + 3x - 4 O - cos(x2 + 2) cot(x2 + 2) 2. Evaluate A. undefined B. infinity O 2x sec(x2 + 2) tan(x2 + 2) C. 1/7 D. 0 O cos(x2 + 2) lim x-4 O 2x cos(12 + 2) x-4x2-x-12 5. 6 3. Evaluate What is the derivative with respect to x of A. 30 (1 Point) B. 26 (x+ 1)3 -x3 C. 24 D. 28 O 6x + 3 lim x2 + 3x - 4 O 6x - 3 x-4 3x + 6 Differentiate 3x - 3 (1 Point) Differentiate y = e' cos.x2 (1 Point) O -e" sin x2 y = log 10 (x2 + 1)2 O e cos.x2 - 2xsinx2 O 4x (x2 + 1 ) ( 4x 10g 10 e) O -2xet sin.x (x3+1) O loge (x) (x2 + 1 ) O e (cos.x2 - 2xsinx? ) O 2x (x2 + 1 ) 7. 4