MTH 161 Lecture 7: MTH 161 one class 7

FInd the coordinate of the midpoint of the line joining 4 and -4; 3 and -5; -1.7 and 3.7; sqrt 2 and sqrt 3; and x1 and x2.

Question:

Find the coordinates of the midpoint of the line joining the points

a.(4,-4) and (3,-5)

b.(1.7,3.7) and ( , )

Check if the inverse of is . 

Find the derivative or f(x)= sqrt(2+sqrt3x)

Possible Answers:

3/(sqrt(3x)sqrt(2+sqrt(3x)))

1/(4sqrt(3x)sqrt(2+sqrt(3x)))

3/(4sqrt(3x)sqrt(2+sqrt(3x)))

3sqrt(3x)/4sqrt(2+sqrt(3x)))

3/(2sqrt(3x)sqrt(2+sqrt(3x)))