Choose the one alternative that best completes the statement or answers the question.
Find the slope of the tangent line to the graph at the given point.
-$$f ( x ) = 2 x - 9 \text { at } ( 8,7 )$$
A) 9
B) $\frac { 1 } { 2 }$
C) 2
D) $- 9$

Question

Quizplus · Accepted Answer

The slope of the tangent line to the graph of a linear function is simply the coefficient of $x$, which in this case is $2$. Linear functions have a constant slope everywhere on their graph.

Choose the One Alternative That Best Completes the Statement or Answers