Grade 12 calculus. Multiple choice. Please include rough notes (doesn't have to be fully complete). Answer ASAP

Question 22 (1 point) The derivative of y = log, (6x: + 5) is: O 6 log, (6:+5) O In 4 61+5 O 6 (In 4) (61+5) 6(In 4) 61+5 Question 23 (1 point) Given y = 3x e-, determine di dy O-126xe-6 O 21e-6p O-126x5e-6 O 21e626 Question 24 (1 point) The derivative of y = sin (a* - 2x ) is: sin(2x2-2) (3x2-2)cos(x3-2x) O cos(2x2-2) O (2-3x2)cos(x3-2x)Question 25 (1 point) The second derivative of f(x) = x2+ ex - cosx is: Of"(x) = 2x + xe* - cosx Of"(x) = 2 + ex+ cosx Of(x) = 2x + e* + cosx Of"(x) = 2x + e* + sinx Question 26 (1 point) The derivative of - In(2x - 3) is: O 2 3-21 O -3 21-3 O 2 21-3 O 21- Question 27 (1 point) If a function has a second derivative that is positive, what does that tell you? O The function is increasing The function is concave down The function is decreasing The function is concave up