Answer:
15x+5
Step-by-step explanation:
First you distribute the 5 to the 3x ( 5 times 3x=15x)
Next you distribute the 5 to the 1 (5 times 1=5)
Finally you put the two answers together 15x+1
you cant simplify it anymore because you cannot add 15x to 1
Answer:
4
Step-by-step explanation:
Slope refers to the steepness of the line.
Slope is equal to change in value of y divided by change in value of x.
The slope of the secant line is given by
.
Given points are 
So, slope of the secant line is 
(i) At x = 4.9,

(ii) At x = 4.99,

(iii) At x = 4.999,

(iv) At x = 4.9999,

(v) At x =5.1,

(vi)
At x = 5.01,

(vii) At x = 5.001,

(viii) At x = 5.0001,

(b)
Slope of the tangent line is 4.
Answer:
it is a
Step-by-step explanation:
785.63-(57+125)
=785.63-182
=603.63
603.63+57.25=$660.87
Top left graph. Shows every gallon of gas gets 25 miles.