Answer:
find derivative of function
sub in x value of point to find gradient of tangent
put gradient into y=(gradient)x+c
Sub in point and solve for c
you have found the equation of the tangent.
The answer would be $35.70. 70% off would be $83.30 off of $119.
The scale factor from the small one to the big one is 3
Answer:
you might have to use an app that scans that specific problem :)
Step-by-step explanation: