How do you find the slope of the tangent line to the graph of the function #f(x)=3-2x# at (-1,5)?
1 Answer
Jul 14, 2017
Explanation:
#"note that"#
#"slope (m) " =f'(x)" at x = a"#
#f(x)=3-2xrArrf'(x)=-2#
#"this means that the slope at any point on the line is - 2"#
#"of course "f(x)=3-2x" is a linear equation with m = -2"#
