Answer:
The difference quotient for
is
.
Step-by-step explanation:
The difference quotient is a formula that computes the slope of the secant line through two points on the graph of <em>f</em>. These are the points with x-coordinates x and x + h. The difference quotient is used in the definition the derivative and it is given by

So, for the function
the difference quotient is:
To find
, plug
instead of 

Finally,


The difference quotient for
is
.
Answer:-16
Step-by-step explanation:
Answer:
The bill excluding tax is $31.21 and the 20% tip was $6.24.
According to above figure, the angles (8x - 20)° and (5x + 37)° are pairs of vertical opposite angles, so