ANSWER

EXPLANATION
The given logarithmic expression is:

Recall and use the product rule of logarithm

We apply this rule to obtain,

We multiply out the argument to get;

The correct answer is

every choice except A quadratic questions
1: x divided 7. 2: 10 + x. 3: x - 14. 4: 8x
3.141592653589793, or pi, for short. ☺
Answer:
y = 8x + 50
Step-by-step explanation:
Use (0,50) and (10,130)
Slope: m = (130-50)/(10-0) = 8
Y-intercept is 50
y = 8x + 50