In 15-28, find the distance d(P] , P2) between the points PI and P2. Y"' -:1 P2 = (2, 2) 2 2-1

Derivatives Theroem 2.8 For any real numbers k, m, and b d d d dx(k)=0 dx (m =0 dx(b)=0 Theroem 2.9 Power Rule d (xk=k x k−1 For any nonzero rational number k, dx If f is a linear function that has a slope m and therefor its derivative is constantly m, since the constant identity functions are linear functions with the slope of 0 and 1 their derivatives are 0 and 1 Theorem 2.8 For any real numbers k, m, and b d d d (k)=0 (m =0 (b)=0 dx dx dx k To take the derivative x we bring the exponent k in front of the expression in decreased the exponent by 1 to get KX k-1 Theroem 2.9 Power Rule d k