Find the formula for the function.
-A point P in the first quadrant lies on the graph of the function f $f ( x ) = x ^ { 2 }$. Express the slope of the line joining P to the origin as a function of x.
A) m = 2x
B) $m=\frac{2}{x}$
C) m = x
D) $m=\frac{1}{x}$

Question

Find the formula for the function.
-A point P in the first quadrant lies on the graph of the function f $f ( x ) = x ^ { 2 }$. Express the slope of the line joining P to the origin as a function of x.
A) m = 2x 
B) $m=\frac{2}{x}$
C) m = x 
D) $m=\frac{1}{x}$

Quizplus · Accepted Answer

The slope of a line joining a point P(x, y) on the graph of $f(x) = x^2$ to the origin (0,0) is given by $m = \frac{y - 0}{x - 0} = \frac{x^2}{x} = x$.

Find the Formula for the Function f(x)=x2f ( x ) = x ^ { 2 }f(x)=x2

Find the Formula for the Function $f ( x ) = x ^ { 2 }$